| https://official-united-airlines-help.myshopify.com/blogs/news/quick-ways-to-call-united-airlines-customer-service-by-phone-email-support-or-live-chat-a-complete-method-guide |
| https://official-united-airlines-help.myshopify.com/blogs/news/ways-to-connect-united-airlines-customer-service-via-phone-email-or-chat-options-step-by-step-guide |
| https://official-united-airlines-help.myshopify.com/blogs/news/2-ways-to-connect-united-airlines-customer-service-via-phone-email-or-chat-options-step-by-step-guide |
| https://official-lufthansa-customer-helpcenter.myshopify.com/blogs/news/26-ways-to-contact-lufthansa-customer-service-by-phone-chat-and-email-an-explained-guide |
