Bad service.

Telkom makes taking a contract so easy just a phone call , but when it comes time to repairing or cancelling a service its a mission, In store i was told due to me upgrading my service the old ADSL (which did not work for almost 3 weeks) will be cancelled immediately and upgraded to the new one and it was out of contract period, till today its not been cancelled and i received a bill for it. I have requested it to be cancelled twice now, and have also requested my land line cancelled, now suddenly i get calls from telkom asking me if my line is working, they show up after almost a month to repair and suddenly that i requested cancellation im getting calls, Please i want my ADSL cancelled and land line cancelled, how hard is that to understand.