Membership

I want to stop my membership and have mailed the Billing department to do so but I have still had my mebership renewed. Can you please refund my payment and terminate the membership. The details are:

Service: TechProGuild
Customer name: JERRY TACK
Account #: 18033802
Transaction type: Yearly Membership
Transaction date: 8/9/2005 12:01:19 AM
Amount charged: 104.58
Credit Card Number: 55xxxxxxxxxx6404
Credit Card Expire Date: 10/05
Next Rebill Date: Wednesday, August 09, 2006

Can you pass this on to the relevant department please