https://www.goodreads.com/quotes/15362048-what-is-the-best-time-to-book-klm-tickets-for

https://www.honolulu.gov/wp-content/uploads/sites/53/formidable/3/full-list-of-eva-air%C2%AE%EF%B8%8F-customer%C2%A9-service%E2%84%97-usa-contact-numbers-your-expert-guide.pdf

https://www.honolulu.gov/wp-content/uploads/sites/53/formidable/3/complete-list-of-united-airlines-customertm-service-usa-contact-numbers.pdf

https://www.honolulu.gov/wp-content/uploads/sites/53/formidable/3/complete-list-of-delta-airlines-customertm-service-usa-contact-numbers.pdf

https://www.emutalk.net/threads/full-list-of-frontier-airlines-%C2%AE%EF%B8%8F-customer%C2%AE-service%E2%84%A2-contact-in-the-usa-an-updated-step-by-step-guide.64197/

https://www.emutalk.net/threads/full%C2%AE-list-of-official-virgin-atlantic-%E2%84%97airways-customer%C2%AE-service-contact-numbe%F0%9D%96%97s-%E2%80%93-the-ultimate-official-guide.64190/

https://www.emutalk.net/threads/full-list-of-emirates-airlines-%C2%AE%EF%B8%8F-customer%C2%AE-service%E2%84%A2-contact-in-the-usa-an-updated-step-by-step-guide.64167/

https://www.emutalk.net/threads/full-list-of-aeromexico%C2%AE%EF%B8%8F-customer%C2%AE-service%E2%84%A2-contact-in-the-usa-an-updated-step-by-step-guide.64144/

https://www.emutalk.net/threads/full-list-of-air-canada-%C2%AE%EF%B8%8F-customer%C2%AE-service%E2%84%A2-contact-in-the-usa-an-updated-step-by-step-guide.64168/

https://www.emutalk.net/threads/full-list-of-jetblue-airlines-%C2%AE%EF%B8%8F-customer%C2%AE-service%E2%84%A2-contact-in-the-usa-an-updated-step-by-step-guide.64171/