SICK OF CELL C-LIERS ANC CHEATS

I Have a cell c contract, which i cancelled in April the 11 and was told to make payment of 320 and call them to confirm once done, i did call them on the 13 of april to confirm that i made payment of the 11 and that they should cancel my contract they told me it is cancelled but they will make last dedustion in April , in May and june they still made deduction when i called them they tell me the contract was never cancelled afrte so many calls i made to them and now i am told i have to pay them again to cencel a cintract which i have paid for.I HATE CELLC THEY ARE FULL OF **** AND THEY NEVER KEEP THEIR PROMISES. will never del with them ever again.