https://forms.business.columbia.edu/sites/forms/files-efs/webform/2023_deming_cup_nomination_and_a/_sid_/How%20do%20I%20pre-book%20flights%20for%20next%20month%20with%20American%20Airlines_.pdf
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-pre-book-flights-for-next-month-with-american-airlines-10-7-2025-2
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-pre-book-flights-for-next-month-with-american-airlines-10-7-2025-1
https://americanairlinescustomersupport.zohodesk.com/portal/en/kb/articles/how-do-i-pre-book-flights-for-next-month-with-american-airlines-10-7-2025