"Booking Flights" would work well.
Student or Learner
I'm working on a website in English. it's about flight reservations. Which is correct: Flight bookings? Booking Flights? or should it be in the singular? (It will appear as a topic on the menu).
I would use Booking Flights for a page where people can make bookings and Flight Bookings for one where they can check for details of flights they have booked.