How do online booking websites work?

Related questions

1. Can I book Marriott for someone else?
2. Can I apply for Schengen visa without tickets?
3. How do travel websites work?
4. What is Ebooking?
5. What is Whitney system?
6. Why seats are reserved for SC and ST?
7. What is SC ST and OBC?
8. What is SC ST act issue?
9. What happens after you bond out of jail?
10. Can you Afterpay flights?

Tags

1. #processing
2. #reservation
3. #hotel
4. #passed
5. #hotels
6. #online
7. #website
8. #system
9. #which
10. #bookings
11. #manage
12. #reservations
13. #through
14. #backend
15. #accessed
16. #works
17. #secure