Add "Book Now" System

I need to integrate a "Book Now" system into my existing vacation rental website.

Requirements:
- Property selection and rental date input
- User details form (name, address)
- Terms and conditions agreement
- Payment method selection (credit card, PayPal, bank transfer)
- Integration with Worldline payment gateway
- Automatic confirmation email post-payment

Ideal Skills and Experience:
- Experience with Worldline or similar payment gateways
- Web development and form integration
- Email automation setup