My home is your home!
Step inside and do as you would back home at your place.
Apartments is on second floor of residential building so you'll have to climb stairs, but only 2 flight of stairs. At the end of 2nd floor staircase you'll find yourself in front of place you've booked.
Once there, make yourself comfortable.
Press the down arrow key to interact with the calendar and select a date. Press the question mark key to get the keyboard shortcuts for changing dates.