AI-Powered Restaurant Booking System with Telegram, Calendar & Email Notifications

Overview

This workflow is an AI-powered Booking Assistant that automates restaurant and event reservations through Telegram. It interacts with the user in natural conversation, collects booking details (guest count, preferences, date/time, and special requests), finalizes the draft, and confirms the reservation by storing it in Google Calendar and sending an email confirmation — fully automated end-to-end.

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How It Works

1. User Interaction

• The workflow starts with a Telegram welcome message.
• The AI agent asks step-by-step questions:
  • Number of guests
  • Seating preference (indoor/outdoor/private room)
  • Special occasion requests (birthday, date, etc.)
  • Preferred date & time
• Once details are gathered, it generates a draft booking summary.

2. Confirmation & Personal Details

• The user reviews the draft and confirms.
• The assistant then asks for personal details (name, email, phone number).

3. Booking & Notifications

• After confirmation, the details are sent to Google Calendar to create an event.
• A confirmation email is sent to the user with all booking information.
• A final Telegram message confirms that the reservation is successfully completed.

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How to Use

• Triggered directly from Telegram Bot.
• Simply start chatting with the bot to begin the reservation process.
• The assistant will guide the user step by step until the booking is finalized.
• Once completed, the user receives both an email confirmation and a Telegram confirmation message.

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Requirements

To use this workflow, you’ll need:

• n8n account (self-hosted or cloud)
• Telegram Bot Token (for chat interaction)
• OpenAI or OpenRouter API Key (for AI-driven conversation)
• Google Calendar API access (to create bookings)
• Gmail / SMTP credentials (to send confirmation emails)