https://support.us.edu/hc/en-us/community/posts/26911815349911--AA-Atenci%C3%B3n-al-cliente-C%C3%B3mo-llamo-a-American-Airlines-en-espa%C3%B1ol-desde-Mexico
https://support.us.edu/hc/en-us/community/posts/26911880757527--Atenci%C3%B3n-al-cliente-r%C3%A1pida-C%C3%B3mo-llamar-a-American-Airlines-en-espa%C3%B1ol-EE-UU-MX