Task: I am planning to visit Dubai next week , search for a 5 star Hotel from 7 September to 10 september for 2 Adults in Dubai in the Booking.com 
Steps:
Open the Booking.com app
Click on the Destination input section
Enter the destination as Dubai
Click on the first suggested result
Select the Starting date as 7 September
Select the End date as 10 September
Click on the Select dates at the bottom of the screen
Click on the Search button