https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/How%20do%20I%20book%20a%20passport-required%20flight%20with%20American%20Airlines_.pdf
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-book-a-passport-required-flight-with-american-airlines-10-7-2025-4
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-book-a-passport-required-flight-with-american-airlines-10-7-2025-3
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-book-a-passport-required-flight-with-american-airlines-10-7-2025-1