https://collaboratory.gse.upenn.edu/sites/default/files/webform/full-list-of-expedia-customer-service-usa-contact-numbers-a-simple-step-guide_0.pdf
https://collaboratory.gse.upenn.edu/sites/default/files/webform/expedia-customer-usa-phone-numbers-a-simple-step-guide-2025-2026.pdf
https://collaboratory.gse.upenn.edu/sites/default/files/webform/full-list-of-expedia-customer-service-usa-phone-numbers-a-simple-step-guide_0.pdf