https://airallhelpdesk.zohodesk.com/portal/en/kb/articles/contactar-a-american-c%C3%B3mo-hablar-con-una-persona-en-american-airlines-3-7-2025
https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/ten-quick-ways-to-contact-expedia-customer-service-by-phone-email-or-chat.pdf
https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/como-hablar-con-un-representante-de-frontier-internet-en-espanol.pdf
https://www.workingus.com/forums/topic/07-fastest-ways-talk-to-usquickbooks-payroll-a-complete-guide/