https://www.dasaita.com/community/forum/topic/191347/full-list-of-american-customer-contact-numbers-in-the-usa
https://www.smartmoneymatch.com/articles/Full-%26-Final-List-of-Official-Travelocity%E2%84%A2%EF%B8%8F-Customer-Care-Numbers-in-the-USA-%E2%80%93-Full-Step-by-Step-Guide/33133
https://www.dasaita.com/community/forum/topic/192273/full-list-of-virgin-atlantic-customer-service-contact-numbers-in-usa-a-ultimate-step-by-step-guide
https://www.smartmoneymatch.com/articles/Complete-List-of-American-Airlines-%E2%84%A2%EF%B8%8F-Customer%C2%AE-Contact-Numbers-in-the-USA:-Try-These-47-Contact-Options/33099