Q$6.$ The system provides a customer with tools to make hotel reservations in different citiea. The functions that this system should offer are:

a$-$ A list of available hotels per city for a given check$-$in$/$check$-$out dates

b$-$ A filter capability to filter hotels

c$-$ A possibility to make a reservation after registration or login

d$-$ A possibility to view one's own reservation list

e$-$ A possibility to pay online for hotel reservation

A user should be able to filter hotels in a given city by spocifying filters. The filters that could be boal are: star level, price range and Internet access availability.

$(4)$: Draw a use$-$case diagram for this system. The use case diagram should show at least one generalization, one inclusion and one extension relationship between the use cases $(4$ Marls$)$