Refunds are managed solely by the organizers of the event. No participant can initiate a refund process on their own.

To cancel a ticket but not refund any amount: 

1. Go to evenium.com
2. Click My Events 
3. Click the name of the event under the I organize section
4. Hover your mouse over the Participants tab on the purple bar
5. Click the Tickets menu
6. Click on the ticket you wish to cancel
7. Select Cancel/Refund this ticket under the Actions section
8. Cancel the ticket 
9. Untick the Full refund and cancellation box. 
10. Set the amount to refund to 0.