1) About the booking in the following cases
Test Result :
1st: Admin key the price as 133.55 USD on A Hotel.
2nd: The buyer check the price with A Hotel in your system receive 133.55 USD.
3rd: The buyer accept the price and add the hotel in to basket (not submit to your system yet)
4th: Admin has change the price as 135.00 USD on A Hotel.
5th: The buyer submit the booking with your system.
How the your system capture the price ?
Test Result: They have search with HotelId before submit the Booking if they found the difference price they will show alert to buyer.