| https://www.devex.com/people/live-chat-can-you-cancel-a-southwest-flight-without-penalty-2368769 |
| https://www.devex.com/people/customer-content-can-you-cancel-a-southwest-flight-without-penalty-2368780 |
| https://www.devex.com/people/can-you-cancel-within-24-hours-on-jetblue-faqs-2368783 |