https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/21-ways-to-call-silversea-cruises-customer-care-full-guide-usa.pdf
https://ctl.gatech.edu/sites/default/files/webform/teaching_with_technology_partner/_sid_/16-ways-to-communicate-with-a-live-person-at-expedia-car-rental-via-phone-and-chat-a-full-guide-to-support.pdf
