1. https://knightadrc.wustl.edu/app/uploads/formidable/124/What-age-is-senior-discount-at-IHG-New-Discount-Rates.pdf
2. https://knightadrc.wustl.edu/app/uploads/formidable/124/20-Ways-to-Call-How-Do-I-Talk-to-Someone-at-Marriott-Complete-Guide.pdf
3. https://mcmanuslab.ucsf.edu/sites/mcmanuslab.ucsf.edu/files/2025-07/How-do-I-call-Marriott-International-Call-Now.pdf
4. https://airlinecustomercare.zohodesk.com/portal/en/kb/articles/is-qantas-24-7-customer-service-19-7-2025
5. https://airlinecustomercare.zohodesk.com/portal/en/kb/articles/does-alaska-still-have-free-cancellation
6. https://airlinesshelpdesk.zohodesk.com/portal/en/kb/articles/faqs-guide-what-is-frontier-airline-24-7-cancellation-refund-and-name-change-policy
7. https://airlinesshelpdesk.zohodesk.com/portal/en/kb/articles/does-copa-airlines-have-free-cancellation-copa-s-fee
8. https://knightadrc.wustl.edu/app/uploads/formidable/124/Does-Alaska-still-have-free-cancellation.pdf
9. https://airlinecustomercare.zohodesk.com/portal/en/kb/articles/can-i-cancel-my-british-airways-flight-and-get-a-refund
10. https://knightadrc.wustl.edu/app/uploads/formidable/124/Can-I-cancel-my-British-Airways-flight-and-get-a-refund.pdf
11. https://airlinecustomercare.zohodesk.com/portal/en/kb/articles/how-can-i-speak-to-someone-at-virgin-australia
12. https://airlinesshelpdesk.zohodesk.com/portal/en/kb/articles/complete-guide-to-delta-airlines-senior-discounts-refunds
13. https://knightadrc.wustl.edu/app/uploads/formidable/127/How-do-I-file-a-complaint-with-Expedia_-1.pdf
14. https://knightadrc.wustl.edu/app/uploads/formidable/127/How-do-I-make-a-claim-with-Expedia_-3.pdf
15. https://knightadrc.wustl.edu/app/uploads/formidable/127/Does-Copa-Airlines-have-free-cancellation_-Copas-fee-2.pdf
16. https://knightadrc.wustl.edu/app/uploads/formidable/127/Complete-Guide-to-Delta-Airlines-Senior-Discounts-Refunds-1.pdf
17. https://knightadrc.wustl.edu/app/uploads/formidable/127/Does-JetBlue-have-a-24-hour-refund_JetBlue-Airline-Policies.pdf
18. https://knightadrc.wustl.edu/app/uploads/formidable/124/Is-Qantas-24-7-Customer-Service-Quick-know.pdf
19. https://knightadrc.wustl.edu/app/uploads/formidable/124/20-Ways-to-Call-How-Do-I-Talk-to-Someone-at-Marriott-Complete-Guide.pdf