https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5301438 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5301497 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5301539 https://official-airfrance-helpcenters.pages.dev/en/us/help/10-ways-to-talk-to-someone-at-air-france-via-phone-email-or-chat-options-a-step-by-step-guide/