https://codalab.lisn.upsaclay.fr/forums/21066/3467/ https://buytickets.at/travelhelphub/1767154 https://www.ethicscommission.nd.gov/sites/www/files/webform/meeting_notice/_sid_/How-to-Contact-Expedia-Customer-Service-via-phone-Number-Support.pdf?cb=dfa3d944 https://www.ethicscommission.nd.gov/sites/www/files/webform/meeting_notice/_sid_/15%20Ways-To-Reach-How-to-Contact-Expedia-Customer-service-via-phone.pdf?cb=8f5d116e https://www.ethicscommission.nd.gov/sites/www/files/webform/meeting_notice/383/four-ways-to-call-how-do-i-speak-to-someone-at-expedia-a-complete-guide.pdf?cb=964c9c01 https://www.ethicscommission.nd.gov/sites/www/files/webform/meeting_notice/_sid_/seven-ways-to-contact-how-can-i-speak-to-someone-at-delta-airlines%C2%AE-a-step-by-step-guide.pdf?cb=68a65334