https://preussenjournal.de/forum/topic/fifteen-ways-to-call-how-to-contact-someone-at-air-canada-a-step-by-step-guide/#postid-15517
https://community.octoprint.org/t/talk-to-someone-at-spirit-airlines-customer-service-complete-2025-guide/64073
https://community.octoprint.org/t/full-list-of-southwest-customer-service-u-s-a-phone-numbers-in-the-usa-2025-fast-guide/64059