https://paperswithcode.com/method/six-ways-to-contact-how-do-i-talk-to-someone-1
https://paperswithcode.com/method/15-ways-to-contact-how-do-i-talk-to-someone-15
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5317224
https://paperswithcode.com/method/12-easy-ways-to-speak-with-a-live-agent-at
https://hopzone.eu/forums/topic/276243-14-smart-ways-to-contact-how-do-i-get-help-from-air-canada-instan/
https://hopzone.eu/forums/topic/276247-11-effective-ways-to-talk-to-someone-at-air-canada-by-phone-or-ch/
