AutomationFlowsAI & RAG › Pizza Ordering Chatbot with OpenAI

Pizza Ordering Chatbot with OpenAI

Original n8n title: Create a Pizza Ordering Chatbot with Gpt-3.5 - Menu, Orders & Status Tracking

ByIrfan Handoko @handoko72 on n8n.io

This workflow template is designed to automate order processing for a pizza store using OpenAI and n8n. The chatbot acts as a virtual assistant to handle customer inquiries related to menu details, order placement, and order status tracking.

Chat trigger trigger★★★☆☆ complexityAI-powered8 nodesTool CalculatorOpenAI ChatMemory Buffer WindowTool Http RequestChat TriggerAgent
AI & RAG Trigger: Chat trigger Nodes: 8 Complexity: ★★★☆☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #3049 — we link there as the canonical source.

This workflow follows the Agent → Chat Trigger recipe pattern — see all workflows that pair these two integrations.

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

Download .json
{
  "id": "5Y8QXJ3N67wnmR2R",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "POC - Chatbot Order by Sheet Data",
  "tags": [],
  "nodes": [
    {
      "id": "cc9ab139-303f-411a-a7c8-5985d92e3040",
      "name": "Calculator",
      "type": "@n8n/n8n-nodes-langchain.toolCalculator",
      "position": [
        1460,
        480
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "97a6d3a8-001c-4c62-84c2-da5b46a286a9",
      "name": "Chat OpenAI",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        740,
        480
      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "1ad05eb6-0f6a-4da7-9d86-871dfa7cbce1",
      "name": "Window Buffer Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        900,
        480
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "f4883308-3e4a-49b1-82f5-c18dc2121c47",
      "name": "Get Products",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        1060,
        480
      ],
      "parameters": {
        "url": "https://n8n.io/webhook/get-products",
        "toolDescription": "Retrieve detailed information about the product menu."
      },
      "typeVersion": 1.1
    },
    {
      "id": "058b1cf5-b8c0-414d-b4c6-e4c016e4d181",
      "name": "Order Product",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        1200,
        480
      ],
      "parameters": {
        "url": "https://n8n.io/webhook/order-product",
        "method": "POST",
        "sendBody": true,
        "parametersBody": {
          "values": [
            {
              "name": "message",
              "value": "={{ $json.chatInput }}",
              "valueProvider": "fieldValue"
            }
          ]
        },
        "toolDescription": "Process product orders."
      },
      "typeVersion": 1.1
    },
    {
      "id": "6e0b433c-1d8f-4cf8-aa06-cc1b8d51e2d9",
      "name": "Get Order",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        1320,
        480
      ],
      "parameters": {
        "url": "https://n8n.io/webhook/get-orders",
        "toolDescription": "Get the order status."
      },
      "typeVersion": 1.1
    },
    {
      "id": "a0ee2e49-52cf-40d8-b108-4357bf562505",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        540,
        160
      ],
      "parameters": {
        "public": true,
        "options": {},
        "initialMessages": "Hellooo! \ud83d\udc4b My name is Pizzaro \ud83c\udf55. I'm here to help with your pizza order. How can I assist you?\n\n\ud83d\udce3 INFO: If you\u2019d like to order a pizza, please include your name + pizza type + quantity. Thank you!"
      },
      "typeVersion": 1.1
    },
    {
      "id": "81892405-e09c-4452-99b3-f5edbe49b830",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        780,
        160
      ],
      "parameters": {
        "text": "={{ $json.chatInput }}",
        "options": {
          "systemMessage": "=Your name is Pizzaro, and you are an assistant for handling customer pizza orders.\n\n1. If a customer asks about the menu, provide information on the available products.\n2. If a customer is placing an order, confirm the order details, inform them that the order is being processed, and thank them.\n3. If a customer inquires about their order status, provide the order date, pizza type, and quantity."
        },
        "promptType": "define"
      },
      "executeOnce": false,
      "typeVersion": 1.6
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "6431e20b-e135-43b2-bbcb-ed9c705d1237",
  "connections": {
    "Get Order": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Calculator": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Chat OpenAI": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Get Products": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Order Product": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Window Buffer Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

Pro

For the full experience including quality scoring and batch install features for each workflow upgrade to Pro

About this workflow

This workflow template is designed to automate order processing for a pizza store using OpenAI and n8n. The chatbot acts as a virtual assistant to handle customer inquiries related to menu details, order placement, and order status tracking.

Source: https://n8n.io/workflows/3049/ — original creator credit. Request a take-down →

More AI & RAG workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.

AI & RAG

Chat with an AI and ask questions about your Meta Ads metrics.

Agent, OpenAI Chat, Chat Trigger +8
AI & RAG

POC - Chatbot Order by Sheet Data. Uses toolCalculator, lmChatOpenAi, memoryBufferWindow, toolHttpRequest. Chat trigger; 8 nodes.

Tool Calculator, OpenAI Chat, Memory Buffer Window +3
AI & RAG

ModelRouter. Uses chatTrigger, agent, modelSelector, httpRequest. Chat trigger; 28 nodes.

Chat Trigger, Agent, Model Selector +8
AI & RAG

Currently Work-In-Progress

Chat Trigger, Agent, OpenAI Chat +5
AI & RAG

✨ Intro This workflow shows how to go beyond a “plain” AI chatbot by:

Telegram, OpenAI, OpenAI Chat +13