Optimaztion Suggestion : inbuilt difflib library in Python

[rshrc]

https://docs.python.org/3/library/difflib.html

You do not need file handling, as such for this program. You can use dictionaries/hash-maps in this source code.

[varishtsg]

Dictionaries is a good option but it will not be dynamic in nature. Adding files allows you add / remove hotels on the fly.