Cancellation

So last month i paid my outsTanding balance of more than R4000.I also subsequently bought your new walker & the agent at your N1 City branch told me that he couldn't activate my walker immediately because i have an existing one.Because i wanted the walker activated immediately he advised that he can activate it if i pay the subscription fee of R60 or so,which i did,& then he will put a cancellation order on my old walka to be disconnected on the 02/09 & then my new walker would then be activated on my profile which means that it will be no charge end September.That sounded fine to me and we proceeded.Now i see that there is an extra charge to my account & the old walka wasnt disconnected & this is where it all starts.So now my first call to your call centre, the *********** agent tells me that i have to go into the branch, she cant do anything, i put the phone down, my second call the agent by the name of Princess tells me she will order the cancellation & a refund request & my service should be working in 48hrs,that never happened, i spoke again to an agent last Friday & she said no order was put through & promised she would & it will be running by end of day, & surprise NOTHING!!