AI-Powered Chatbot for Appointment Scheduling

This project is an AI-powered chatbot designed for appointment scheduling, built using Node.js and the BuilderBot framework. It integrates with various services including OpenAI's GPT models, Google Calendar, and ChatPDF for enhanced functionality.

Features

• Natural language processing for understanding user intents
• Appointment scheduling and management
• Integration with Google Calendar for real-time availability checks
• Voice note transcription and processing
• PDF querying for information retrieval
• Multi-language support

Getting Started

Prerequisites

• Node.js 21 or later
• pnpm package manager
• OpenAI API key
• Google Calendar API credentials
• ChatPDF API key

Installation

1. Clone the repository:

   git clone https://github.com/leifermendez/bot-google-n8n-calendar
   cd builderbot-chatbot
   

2. Install dependencies:

   pnpm install
   

3. Set up environment variables: Create a .env file in the root directory and add the following variables:

   OPEN_API_KEY=your_openai_api_key
   N8N_ADD_TO_CALENDAR=your_n8n_add_calendar_webhook
   N8N_GET_FROM_CALENDAR=your_n8n_get_calendar_webhook
   CHATPDF_API=your_chatpdf_api_endpoint
   CHATPDF_KEY=your_chatpdf_api_key
   CHATPDF_SRC=your_chatpdf_source_id
   DURATION_MEET=45
   TZ=your_timezone
   

4. Build the project:

   pnpm build
   

5. Start the application:

   pnpm start
   

Usage

The chatbot can be integrated into various messaging platforms. It handles user interactions, understands intents, and manages the appointment scheduling process.

Key flows include:

• Welcome flow
• Seller flow for general inquiries
• Scheduling flow for appointment booking
• Confirmation flow for finalizing appointments
• Voice note processing

Development

For development, you can use the following command:

pnpm dev

• Use ChatPDF and API documentation
• Use n8nTemplates