Unreliable and forcing customers to pay for benefits they don't need

Good day, I'm not pleased with cellc customer care, on the 29 of july 2020 i made a call to cancel both my contracts with cellc since 28 August was my last debit order, i had 2 contract with them, the lady who was assisting me on the phone only canceled one the number i was calling with and left the other number i only notice dat on the 28 of August when i receive a sms notifying me dat my contracts has been, but i dnt recieve the other one, i called them after only to find the other one was not i open the contracts them same day, almost everything is the same, debit order date the only thing that differs is the benefits why on earth the will i not cancel the other one and leave the other one, i called them telling them to cancel the other one, but the say it will only be canceled on the 31 of September it "impossible" to cancel it with immediate effects now i have to pay 234 imagine 4 the benefits i don't need, i wouldn't advise anyone to open a cell c contract they are not reliable.