https://official-american-air-lines-helpcenter.odoo.com/blog/delta-230-7/ways-to-get-in-touch-with-delta-airlines-phone-chat-and-email-assistance-guide-35

https://otx.alienvault.com/pulse/680363758711acd75be667b8

https://official-american-air-lines-helpcenter.odoo.com/blog/delta-230-7/ways-to-get-delta-airlines-customer-support-phone-chat-and-email-contact-details-34

https://official-american-air-lines-helpcenter.odoo.com/blog/delta-230-7/ways-to-reach-delta-airlines-support-phone-chat-and-email-help-guide-33

https://official-united-air-lines-helpcenter.odoo.com/knowledge/article/148

https://official-american-air-lines-helpcenter.odoo.com/blog/delta-230-7/ways-to-reach-delta-airlines-customer-service-phone-chat-and-email-contact-explained-32

https://official-united-air-lines-helpcenter.odoo.com/knowledge/article/149

https://official-american-air-lines-helpcenter.odoo.com/blog/delta-230-7/ways-to-call-delta-airlines-customer-service-phone-chat-and-email-options-explained-guide-31

https://official-american-air-lines-helpcenter.odoo.com/blog/united-222-6/how-to-reach-united-airlines-customer-service-phone-chat-and-email-contact-explained-22

https://medium.odoo.com/blog/westjet-8/tips-for-contacting-westjet-airlines-customer-support-50