Task: I am planning to visit Dubai next week , search for a 5 star Hotel from 17 October to 21 October for 2 Adults in Dubai in the Booking.com 
Steps:
Open the Booking.com app
Click on the Destination search bar 
Type Dubai in the search bar
Select the first suggestion result
Set the starting date as 17 October
Set the end date as 21 October
Click on the select dates at the bottom of the screen
Click on the search button 
Click on the search button