https://preussenjournal.de/forum/topic/fifteen-ways-to-call-how-to-contact-someone-at-air-canada-a-step-by-step-guide/#postid-15517
https://events.bookitbee.com/airlines-customer-hub/live-talk-call-to-live-agent-at-american-airline-u/
https://events.bookitbee.com/airlines-customer-hub/one-ways-to-speak-to-live-agent-at-unitedairlines/