https://community.otofonix.com/forums/discussion/how-to-talk%ef%b8%8f-united-airline-customer-service-direct-support-phone-chat/

https://deepsleeep.com/fifteen-easy-ways-to-call-american-airline-customer-service-phone-chat-and-email-options-explained-guide/

https://www.studocu.com/en-us/messages/question/13187157/18667980691-copa-airlines-boston-office

https://www.chess.com/forum/view/general/20-easy-to-use-contact-methods-for-american-airlines-travel-support-help-policy-for-business-travel

https://www.chess.com/forum/view/general/14-proven-ways-to-get-fast-travel-support-from-expedias-customer-service-help-center

https://anond.hatelabo.jp/20250605183914

https://britishairwayshelp.exblog.jp/244050993/

https://pantip.com/topic/43540597

https://www.posteezy.com/customer-service-full-contact-guide-phone-email-chat

https://www.lacdp.org/254980/need_help_10_proven_ways_to_reach_american_airlines_customer_support_that_work?recruiter_id=254980