Task: I had to fly to Berlin for an important job, so I used the expedia app to look for a flight from Southampton to Berlin on October 28 for one adult traveling in economy.
Steps:
Open Expedia app
Click on the flights
Click on the flying from
Click on the southamton 
Click on the Berlin 
Click on the 28 october
Click on the done option
Click on the search
Click on the search