I’ve been trying to get a refund

Have you already gone through these steps?

How to request a refund

1. Go to reportaproblem.apple.com. 
2. Sign in with your Apple ID and password.
3. If you see the "Report" or "Report a Problem" button next to the item that you want to request a refund for, click it.
4. Follow the instructions on the page to choose the reason why you want a refund and submit your request.

Try going to this link - iTunes - Official Apple Support