https://forums.clickstudios.com.au/topic/18302-10-ways-to-call-united-airlines-customer-service-phone-chat-and-email-options-explained-guide/

https://www.goodreads.com/quotes/12816678-how-do-i-complain-to-expedia–goodreads-to-lodge-a-formal

https://forums.clickstudios.com.au/topic/17526-best-ways-to-talk-to-live-agent-at-allegiant-airlines-representative-via-phone-email-or-chat-options-a-step-by-step-guide/

https://www.sweetprocess.com/kb/Vr57c7MbmwuQvY/article/zoOAIofvDJj/ways-to-speak-with-turkish-airlines-customer-service-phone-chat-and-email-explained/

https://forums.clickstudios.com.au/topic/18297-ways-to-speak-with-united-airlines-customer-service-phone-chat-and-email-explained/

https://otx.alienvault.com/pulse/6819e707e8bbd506782159c1

https://otx.alienvault.com/pulse/6819e7ae4dc9f299a5dd202d

https://pressbooks.pub/traveltask/chapter/getsolutions-name-change-options-for-frontier-airlines-flights-chnage-name-on-ticket-2/

https://www.sweetprocess.com/kb/Vr57c7MbmwuQvY/article/7xkvIYf7y9E/ways-to-contact-turkish-airlines-support-team-phone-chat-and-email-options-detailed/

https://otx.alienvault.com/pulse/6819e6ceb279f9949fb32363