The vast majority of posters in these forums are just users like yourself.
JJMack gives a good link to cancel.
Be aware that the type of subscription has restrictions and that changes the amount of refund (if any)
If you have the $10 month Photography Plan, you have committed to paying for 12 months and there is an early termination fee of approximately 50% of the remaining time left on the 12 month plan.
If you have a Month by Month that is NOT the $10 month the policy is different.
Usually for cancelling CC and other topics like that I will call tech support to make sure they doing toe correct thing.
In this forum we answer questions about the software. We are volunteers. We do not work for Adobe!