Once you have created an account and you're ready to book a trip, you'll need to "Add a Traveler" in the app. Click on "Travelers" under "Settings" and from there, you can add a new traveler.
How to Add a Traveler on an iPhone:
How to Add a Traveler on an Android phone:
🛑In order to avoid potential issues at the check-in counter, you'll need to make sure that your name is entered exactly as it appears on your passport or other travel ID. Please note that name corrections may incur fees or may not be permitted by the airline at all.