Service???

Cancelled my Telkom contract beginning of June and debit order went off today. Cancelled because No1 my contract came to an end at the end of April, and No2, my boyfriend is moving his Telkom Fibre over. I have been called plenty of times during the month to ask me if I want to upgrade (at least twice a week - minimum), and I have had to repeat the same information, again and again. So I need to be refunded, and confirmation sent to me in writing concerning the cancellation - The assurance that I was told that it would be cancelled, was obviously not guaranteed or genuine. Also just to add, trying to phone Telkom and getting any type of assistance is painfull. This moring tried for half an hour, and all I did was waste my time and airtime. Lets see if the service will improve now??? Sad thing is, my boyfriend believed that Telkom had good service - until now ...