https://discuss.flarum.org/d/37760-united-airlines-customer-serviceunited-airlines-customer-services-guide
 
 
 
https://discuss.flarum.org/d/37763-dl-delta-airlines-customer-service-talk-to-live-agent
https://discuss.flarum.org/d/37764-7-ways-to-call-talk-to-someone-at-delta-airlines-customer-services