Book a hotel online and keep it for me, will you? Will something happen?

See what kind of hotel and room you booked. Generally speaking, it is no problem to book a room that is not too nervous, but some good rooms may be kept for half an hour or an hour if they don't arrive at the hotel on time after booking, and some hotels may even think that you gave up without arriving at the hotel on time, so booking a hotel must be considered comprehensively. If you can't guarantee to arrive on time, book some slightly ordinary rooms.

There are many hotels that can be booked on JetCard, and some hotels have detailed descriptions of hotel reservations. You can go there and have a look.