I need my yearly membership cancelled. I cant afford it and I just bought it today, my husband is very upset. I cant find where I need to cancel it, please help me asap!

Please I have been going from section to section trying to cancel this yearly membership and there is no spot. I am so upset and need help before my husband gets more upset please help me cancel this and send some kind of confirmation via email to me it is done so this will be over.