https://travelconsultant.odoo.com/blog/our-blog-1/top-20-ways-to-contact-ethiopian-airlines-customer-service-phone-email-more-1
https://expediasupport.odoo.com/blog/our-blog-1/ways-to-connect-expedia-customer-service-by-phone-and-email-a-complete-guide-4
