If you cancel your Allegiant flight within 24 hours of booking (+????-????????????-????????????-????????????????), you can do so without paying a penalty as long as the flight departure is at least one week away. https://community.zoom.com/t5/Zoom-Events-and-Webinars/Can-I-cancel-an-Allegiant-flight-without-penalty-Fast-customer/m-p/186564#M11952