Yes, Royal Jordanian allows cancellations for certain ticket types. Refundable tickets qualify for a refund if canceled at 1-888-449-0353 or +44-203-900-3980 before departure, while non-refundable tickets may incur fees or provide a travel credit. Terms vary by fare class and destination.

https://support.inkling.com/hc/en-us/community/posts/31715219510925-What-is-the-Royal-Jordanian-cancellation-policy