https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/How%20to%20book%20An%20American%20Airlines%20ticket%20by%20phone_.pdf
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-book-american-airlines-tickets-on-hold-and-pay-later-10-7-2025-2
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-book-american-airlines-tickets-on-hold-and-pay-later-10-7-2025-1
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-book-american-airlines-tickets-on-hold-and-pay-later-10-7-2025
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-to-book-an-american-airlines-ticket-by-phone-10-7-2025
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-to-book-an-american-airlines-ticket-by-phone