https://official-american-airlines-helpcenter.document360.io/docs/ways-to-communicate-with-official-american-airlines-customer-service-by-phone-chat-and-email-a-total-guide https://official-americanairlines-helpcenters.document360.io/docs/ways-to-communicate-american-airlines-customer-service-by-phone-and-email-a-step-by-step-guide https://official-delta-airlines-helpcenter.document360.io/docs/ways-to-communicate-delta-airlines-customer-service-by-phone-and-email-the-full-method-guide