AirFlow Airline Booking Code

I need the full AirFlow airline booking system source code along with hands-on assistance to get it up and running and tuned to my needs. The project must cover a responsive web interface plus companion Android and iOS apps so users can search flights, reserve seats, and pay seamlessly on any device... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Mobile App Development, Web Development)