If you are new to Access, be prepared for a long steep learning curve.
Livewire has already touched on the need for to or more tables(linked by common fields).
A record (a single set of entries) in one table is usually retained indefinitely. Related information of past records can be shown on the screen, and or printed any time you want.
If you want to make or recall bookings by one customer, or who has which room booked,you will need to have at least one field for dates in the bookings table.
The ever so complicated Northwind Traders sample database has endless examples of the way to do things.
Properly structured, an Access database can do almost anything, but it is no 5 minute quick-fix.