https://support.jmir.org/hc/en-us/community/posts/29783487312411--Mexico-telefono-servicio-al-clientes-C%C3%B3mo-puedo-llamar-a-Delta-Airlin...

https://support.jmir.org/hc/en-us/community/posts/29783120485787--SoLA-Tel%C3%A9fono-C%C3%B3mo-hablar-con-una-persona-en-American-Airlines-D...

https://support.jmir.org/hc/en-us/community/posts/29782933393819-%C3%96ffician-%C3%84gente-espa%C3%B1ol-C%C3%B3mo-puedo-llamar-a-Delta-Airli...

https://support.jmir.org/hc/en-us/community/posts/29782868006427--DELTA-servicio-al-clientes-C%C3%B3mo-puedo-llamar-a-Delta-Airlines-en-espa...

https://support.jmir.org/hc/en-us/community/posts/29782473638555--SoLA-Tel%C3%A9fono-C%C3%B3mo-llamar-a-Delta-%F0%9D%92%9C%F0%9D%92%BE%F0%9D...

https://ideas.salesforce.com/s/idea/a0B8W00000QecyAUAR/does-british-airways-have-a-refund-policy-ba-cancellationrefund-policy

https://ideas.salesforce.com/s/idea/a0B8W00000Qebo3UAB/quickcncedoes-singapore-air-have-a-24hour-cancellation-policy

https://www.devex.com/people/faqs-a-a-como-puedo-hablar-con-una-persona-real-en-american-airlines-1998669

https://**********servicetitan.com/t5/General-Office/SG-Does-Singapore-Air-have-a-24-hour-cancellation-policy-EASy/m-p/60753#M6021

https://**********servicetitan.com/t5/General-Office/AFR-1-877-202-3415-Does-Air-France-allow-cancellations/m-p/60633#M5971