https://pantip.com/topic/43476158

http://pantip.com/topic/43476144

https://botsauce.org/forum/topic/4199-10-ways-to-reach-westjet-customer-service-via-phone-email-or-chat-options-guide-step-by-step/

https://pantip.com/topic/43476140

https://botsauce.org/forum/topic/4196-11-ways-to-call-westjet-customer-service-by-phone-chat-e-mail-a-full-step-to-step-guide/

https://hackmd.io/@Info-Air-France-halpcenter/rk4GCpQWgg

https://pantip.com/topic/43476125

https://botsauce.org/forum/topic/4125-7-effective-ways-to-contact-japan-airlines-customer-service-made-simple-by-phone-chat-and-email-an-explained-guide%E2%80%8B/

https://hackmd.io/@qatar-airways/9-ways-to-access-qatar-airways-customer-service-by-phone-chat-and-email-a-step-by-step-guide

https://pantip.com/topic/43476128