https://official-aa-fly-hub.odoo.com/blog/our-blog-1/ways-to-call-american-airlines-customer-service-phone-number-email-and-chat-a-step-by-step-guide-1 https://official-expedia-us.document360.io/docs/ways-to-call-expedia-customer-service-directly-via-phone-number-chat-and-email-options-a-detail-guide-in-depth