https://support.us.edu/hc/en-us/community/posts/27045819145367--MX-52-C%C3%B3mo-hablar-con-un-representante-de-Delta-en-espa%C3%B1ol-servicio-al-clientes
https://support.us.edu/hc/en-us/community/posts/27045819145367--MX-52-C%C3%B3mo-hablar-con-un-representante-de-Delta-en-espa%C3%B1ol-servicio-al-clientes
https://www.transfermarkt.com/american-espanol-iquest-como-hablar-con-una-persona-en-american-airlines-/thread/forum/696/thread_id/30636/page/1#anchor_31149
https://www.transfermarkt.com/american-espanol-iquest-como-hablar-con-una-persona-en-american-airlines-/thread/forum/696/thread_id/30636/page/1#anchor_31149