Task: For a holiday trip, I'm going to Machu Picchu, my dream travel location in Peru. Using the Trip.com app, locate a flight on November 18 from Sao Paulo - Guarulhos International Airport to Jorge Chavez International Airport that accommodates one adult passenger in the Economy class.
Steps:
Open Trip.com app
Go to the Flights section
Click on Hong Kong
search for Sao Paulo - Guarulhos International Airport
click on the first suggestion
Click on the Taipei
search for Jorge Chavez International Airport 
click on first suggestion
go to the date section
set date as November 18
Click on Done at the bottom of the screen
Go to the class section
select Economy class
Click on Search