Hi mevo145,
Welcome to the Apple Community.
We are all Apple users, like yourself,
Although we'd like to help, we have no access to your accounts, or records.
See if any of these Apple support articles can help:
If you want to cancel a subscription from Apple – Apple Support
If the subscription that you want to cancel is not listed – Apple Support
How to: Request a refund for apps or content that you bought from Apple – Apple Support
iE: You must pay for the purchase first.
You must request the refund within the refund period.
Refunds are not guaranteed.
For more information, see the Terms and Conditions
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What to do: If your payment method has been declined in the App Store or iTunes Store – Apple Support
NB: also says:
“If you've disputed a charge from the App Store or iTunes Store,
contact your financial institution again to authorise that charge
and future purchases from the App Store or iTunes Store”.
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You might want to reach out to the Billing Support Team:
There are several help topics on their website,
and
There is a "Get Support" link at the bottom of their website (link below)
Subscriptions and Billing - Official Apple Support
All the best :-)