Task: I'm taking a little trip by plane to Rio de Janeiro, one of my favourite places to visit, on November 20. Look for a single-person economy flight on Kiwi.com from Congonhos, Sao Paulo, Brazil to Rio de Janeiro-Galeao International on November 20.
Steps:
Open Kiwi.com app
Click on the From search bar
Search for Congonhos
select CGH, sao Paulo- Congonhos
Click on Choose option
click on the To search bar
Search for Galeao
select GIG, Rio de Janeiro-Galeao International 
Click on Choose option
go to the departure date section
select date as November 20
Click on set date at the bottom right corner of the screen
Click on the Search option