https://www.scienceforums.com/topic/97092-15-ways-to-talk-to-live-agent-at-delta-airlines-via-phone-email-or-chat-a-step-by-step-guide/
https://club.autodoc.co.uk/forum/topic/quick-help-qatar-airlines-customer-care-service-phone-number-and-live-chat-options
https://www.scienceforums.com/topic/97088-6-nine-ways-to-talk-to-live-agent-at-delta-airlines-via-phone-email-chat-a-step-by-step-guide/
