| https://customerssupport.zohodesk.com/portal/en/kb/articles/does-iberia-have-a-24-hour-cancellation-policy |
| https://amtrakoig.gov/sites/default/files/webform/foia_form/_sid_/What-Airline-Offers-the-Best-Price-for-Hawaiian-Flights_%20.pdf |
| https://www.cultureaidnola.org/howdoicancelmyflightonunitedairlines |
| https://www.cultureaidnola.org/7waystocallhowtotalktripadvisorcustomerservice |
| https://amtrakoig.gov/sites/default/files/webform/foia_form/_sid_/How-long-does-it-take-to-get-a-refund-from-Delta_.pdf |
| https://sites.google.com/view/doesamericanairlinesallownamec/home |
