https://sites.google.com/view/copahelpdesk/home

https://intercom.help/agregar-infante/en/articles/11719521-9-soluciones-rapidas-para-conectar-hablar-con-alguien-en-qatar-guia-completa-por-telefono-y-chat

https://intercom.help/agregar-infante/en/articles/11719520-como-hablar-directamente-con-qatar-airlines

HRTFN

https://intercom.help/agregar-infante/en/articles/11719518-como-llamar-a-un-agente-en-vivo-en-qatar-airlines

https://pantip.com/topic/43606698

https://intercom.help/agregar-infante/en/articles/11719512-como-hable-con-un-agente-en-vivo-en-qatar-airlines

https://nch.invisionzone.com/topic/87613-5-easy-ways-to-call-to-someone-at-delta-via-phone-email-or-chat-options-a-step-by-step-guide/

https://intercom.help/agregar-infante/en/articles/11719496-como-llamar-a-un-agente-en-vivo-en-lufthansa-airlines

https://mforum2.cari.com.my/forum.php?mod=viewthread&tid=5455172