Hotel Booking Chatbot API

This project implements a RESTful API using Express.js for a hotel booking chatbot. It uses OpenAI's API for natural language processing and maintains conversation history using SQLite and Sequelize.

Setup Instructions

1. Clone the repository: git clone cd hotel-booking-chatbot

2. Install dependencies: npm install

3. Start the server: node app.js

4. Create a .env file in the project root and add your OpenAI API key: OPENAI_API_KEY=your_openai_api_key_here

5. Start the server: node app.js The server will start running on http://localhost:3000.

API Endpoints

POST /chat

Handle user messages and return chatbot responses.

Request body:

{
  "message": "I want to book a room",
  "userId": "user123"
}

{ "message": "Certainly! I'd be happy to help you book a room. Here are our available room options:\n\nStandard Room - $100/night\nDeluxe Room - $150/night\nSuite - $250/night\n\nWhich type of room would you like to book?" } Testing the Chatbot You can use cURL or Postman to test the chatbot API. Here's an example cURL command: bash curl -X POST http://localhost:3000/chat
-H "Content-Type: application/json"
-d '{"message": "I want to book a room", "userId": "user123"}' Error Handling The API implements basic error handling for invalid user inputs or API failures. If an error occurs, the API will return a 500 status code with an error message.