https://recroom.zendesk.com/hc/en-us/community/posts/26720925246487-Official-A-A-C%C3%B3mo-hablar-con-una-persona-en-American-Airlines-telefono
https://www.devex.com/people/cual-es-el-mejor-dia-para-reservar-un-vuelo-en-american-airlines-1990127
https://support.stateofdecay.com/hc/en-us/community/posts/30670426458893–Get-24-7-support-1-855-638-4650-A-Comprehensive-Guide-to-Expedia-s-24-Hour-Cancellation-Policy-How-to-Modify-or-Cancel-Your-Flights-with-Ease
https://central.xero.com/s/question/0D58V00009SkHJESA3/iii-how-do-i-%C6%88%C6%A1%C9%B2%C6%AD%C6%9B%C6%88%C6%AD-quickbooks-enterprise-support-number-247qb