https://w.atwiki.jp/airlineshelpcentre/pages/29.html

https://www.uncrownedgaming.com/forums/topic/5654-call%E2%84%A2-to-someone-at-jetblue-airways%C2%AE-care-usa-contact-number-a-callers-assistance-guidance/

https://www.uncrownedgaming.com/forums/topic/5489-full-list-of-southwest_-airlines-%C2%AE%EF%B8%8F-us-contact-numbers-a-comprehensive-%C2%AE%EF%B8%8F-step-by-step-guide-to-reach-the-right-department/

https://www.uncrownedgaming.com/forums/topic/5476-full-list-of-british-airways%C2%AE%EF%B8%8F-customer%E2%84%A2-support%C2%AE%EF%B8%8F-usa-contact-numbersyour-expert-guide/

https://w.atwiki.jp/sadfasdf23/pages/35.html

https://www.uncrownedgaming.com/forums/topic/5233-full-list-of-latam-airlines%C2%AE-us-contact-numbers-a-comprehensive-step-by-step-guide-to-reach-the-right-department/

https://www.uncrownedgaming.com/forums/topic/5407-flights-guideline-full-list-of-priceline-%C2%AE%EF%B8%8F-usa-support-contactsa-complete-202526-guide-to-assistance/

https://w.atwiki.jp/airlineshelpcentre/pages/28.html

https://www.uncrownedgaming.com/forums/topic/5137-call%E2%84%A2-to-someone-at-lufthansa-airlines-%C2%AE-care-usa-contact-number-a-hotline-callers-service-guide/

https://www.uncrownedgaming.com/forums/topic/5346-official-complete-list-of-all-expedi%F0%9D%93%AA%C2%AE%EF%B8%8F-customer%E2%84%A2%EF%B8%8F-contact-numbers-in-the-usa1-a-step-by-step-guide/