If you are looking for copyright refund. Tripsfares helps you in an easy way. There are many rules for refund you must have known about. If you buy your tickets at least seven days before the flight's scheduled departure time, you can cancel them within 24 hours of purchase and receive a complete refund without incurring any costs. https://www.tripsfares.com/blogs/can-i-get-a-refund-with-hawaiian-airlines