https://support.google.com/edu/classroom/thread/332055592?hl=en&sjid=12055483471141921912-NA

https://support.google.com/phoneapp/thread/332759979?hl=en&notify=new&sjid=8511583121037821793-NA

as

https://support.google.com/phoneapp/thread/332759330?hl=en&sjid=4170232831265126009-NA

https://intercom.help/airlineshelps/en/articles/10875394-como-reclamar-un-reembolso-en-expedia

https://support.google.com/phoneapp/thread/332759043?hl=en&sjid=4170232831265126009-NA

https://intercom.help/airlineshelps/en/articles/10875305-servicio-al-cliente-como-reclamar-un-reembolso-en-expedia

https://intercom.help/twn-solutions/en/articles/10875391-como-hablo-con-un-agente-de-klm

https://intercom.help/twn-solutions/en/articles/10875382-como-hablo-con-un-agente-de-klm

https://intercom.help/twn-solutions/en/articles/10875350-como-hablo-con-un-humano-en-jetblue