Telegram Chatbot for Lead Generation

I need a Telegram chatbot developed specifically for lead generation. The primary function of this bot should be to answer FAQs related to our services.

Key Requirements:
- Collect contact details from users
- Answer FAQs with a mix of predefined and AI-generated responses
- Maintain a formal and professional interaction style

Ideal Skills:
- Experience in developing Telegram chatbots
- Proficiency in AI and predefined response integration
- Strong understanding of professional communication

Please provide examples of previous chatbot projects.