https://help.annke.com/hc/en-us/community/posts/38260920743449--C%C3%B3mo-solicitar-asistencia-en-United-Airlines-USA-UA
https://help.annke.com/hc/en-us/community/posts/38260972720665-UNITED-C%C3%B3mo-hablar-a-United-Airlines-desde-M%C3%A9xico-telefono-ayuda-24horas
https://help.annke.com/hc/en-us/community/posts/38260938057113--C%C3%B3mo-hablar-con-una-persona-en-American-Airlines-Help