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/full-list-of-air-canada-airlines-customer-contact-numbers-in-the-usa/10971
https://ticketlab.app/event/33512-Top-9-Proven-Methods-to-Speak-with-a-Live-Agent-at-Expedia-2025-USA-Help-Guide-tickets#/