"Passport information" refers to the personal details found in a passport document. It includes information such as your full name, date of birth, nationality, passport number, and other identification details. Full definition
On the next screen, you will be asked to enter the passenger's details, including passport information if you are booking an international flight. (johnnyjet.com)
It is important that we have your correct passport information in order to process these tickets. (tripcentral.ca)