Facade pattern

• What problem does Facade pattern solve?

Suppose a caller client needs to make a vacation booking through a vacation company, including:

- Flight

- Hotel

- Car rental 

The client should only need to send his dates to the company.

He must do himself the flight, car and hotel bookings, one-by-one.

So below code should be fixed:

• How does Facade pattern solve this?

We simply create a VacationFacade class, that includes all actions required to book a holiday (flight, hotel and car)

And finally use it in our client part