Task: Using the lastminute.com app, look for one-way tickets for two adults in economy class from Guarulhos International Airport to John F. Kennedy International Airport for November 14. My intention is to have a short vacation with my brother in New York City.
Steps:
Open lastminute.com app
Click on the Find button at the bottom of flights section
Click on the Origin search bar
Search for Guarulhos International Airport
Click on Sao Paulo (GRU) - Guarulhos International
Click on Destination search bar
Search for John F. Kennedy International Airport
Click on the first search option
Click on Departing date section
swipe down for november month
Select departing date as November 14
Click on select dates at the bottom of the screen
Go to the Class section 
Select Economy class
Click on the Find button
Click on the Find button