https://intercom.help/agregar-infante/en/articles/11719269-22-maneras-de-contactar-con-un-agente-en-vivo-en-delta-airlines-una-guia-rapida

https://nch.invisionzone.com/topic/87504-52-ways-to-speak-directly-to-a-live-agent-at-american-air%C2%AE%EF%B8%8F-%E2%80%93-full-step-by-step-guide/

https://nch.invisionzone.com/topic/87502-39-ways-to-reach-a-real-person-at-american-airlines-customer-service/

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https://intercom.help/agregar-infante/en/articles/11719268-15-como-contactar-a-un-humano-en-delta-por-telefono-chat-o-correo-electronico-guia-de-ayuda-completa

https://nch.invisionzone.com/topic/87493-eight-ways-to-reach-skyscanner-customer-service-for-customer-services-phone-email-and-chat-solutions/

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https://nch.invisionzone.com/topic/87498-39-proven-methods-to-reach-a-live-american-airlines-agent-%E2%80%93-complete-support-guide/

https://intercom.help/agregar-infante/en/articles/11719266-como-hablar-directamente-con-delta-airlines

https://www.laundromatresource.com/forums/topic/1-way-to-speak-to-china-southern-support-complete-guide/