https://preussenjournal.de/forum/topic/fifteen-ways-to-call-how-to-contact-someone-at-air-canada-a-step-by-step-guide/#postid-15517
https://forum.restic.net/t/virgin-australia-airlines-usa-call-support-verified-contact-lines-2025-details/11026
https://forum.restic.net/t/american-airlines-customer-services-2025-how-to-speak-to-a-real-person-in-the-usa/10995