CONTRACT CANCILLATION

I AM SO DISSAPONTED WITH THEIR SERVICE.MY CONTRACT EXPIRED IN DECEMBER UP UNTIL TODAY I AM STRUGGLING TO CANCELL IT,LAST MONTH EVENTUALLY I GOT THROUGH AND THEY CONFIRMED ITS CANCELLED BUT NOW AT THE END OF THE MONTH I RECEIVED A BILL,SO NOW MUST START OVER AND PHONE WAIT 1 TO 3HOURS ON THE LINE TO GET ASSISTED....IM SO ANGRY AND DISSAPOINTED AND WE SHOULD BE ABLE TO CANCEL CONTRACTS IN STORE LIKE WE DO WHEN WE APPLY FOR THEM!!!