https://community.khronos.org/t/alaska-airlines-customer-service-full-guide-to-24-7-chat-call-email-support-a-step-by-step-guide/112169
https://community.khronos.org/t/united-airlines-customer-service-complete-guide-to-live-chat-email-calls-step-by-step/112170
https://www.ads.id/forums/index.php?threads/help-priceline%C2%AE-customer%C2%AE-service%E2%84%A2-contact-number-helpline-usa-a-step-by-step-guide.409910/
https://www.ads.id/forums/index.php?threads/full%E2%84%A2-list-of-priceline%C2%AE-customer%C2%A9-service%E2%84%97-24-7-live-person-support.409911/
https://www.ads.id/forums/index.php?threads/ultimate%E2%84%A2-list-of-%E2%89%8Bpriceline-customer%C2%A9-service-24-7-live-person-support-numbers-step-by-step-guide.409912/
https://community.khronos.org/t/united-airlines-customer-service-full-guide-to-24-7-chat-call-email-support-a-step-by-step-guide/112171
