I would like to request a refund. I accidentally forgot to cancel my subscription. And it also charged my wife’s account and not mine.

Hi there, I understand refund-related concerns can be frustrating. For any questions about refunds, the best team to help you is our Support team, as they can check the details on your account directly. You can reach them using the link: https://helpx.adobe.com/contact.html?rghtup=autoOpen. 

Hope this helps.

Thanks 

Kanika Sehgal 

After the 7 day trial and added 7 day grace period a trial becomes a subscription and there is no refund

This is a public forum, not Adobe support... other users can't help
To contact support and plead your case see the CORRECT ANSWER at this link
https://community.adobe.com/questions-6/contacting-a-real-person-at-adobe-433913

cancel subscription, https://helpx.adobe.com/account/individual/subscriptions-and-plans/renewals-and-cancellations/cancel-adobe-subscription.html

understanding cancellation 

fees, https://helpx.adobe.com/uk/manage-account/using/creative-cloud-subscription-terms.html#cancel