Vodacom disgusts me

I am totally disgusted by Vodacom services. Last month I placed a cancellation notice to my account and I am fully aware that I was going get my final bill from Vodacom. However today they charged me full payment on my account, from what I know I should be billed prorate, that means I should have paid for the services that I have used so it cannot be the normal bill which is R700. Today I called in the call centre and the agent ended up transferring my call to the manager. The manager promised me to give me a callback at 3pm but none of that happen. Now I feel like im going atound in circles because I don't know what's so difficult for them to place a cancellation.The main reason for me cancelling is that my bill just randomly increased within the.duration of the contract and every time when I called in I was being transferred back and forth like tennis ball.So I told myself that I will just wait for my contract to end then cancel.Even on month 21 they called me to offer me an upgrade and I declined it due to their billing methods. Regarding this manager that I spoke to today I dont know if she was sarcastic or what by promising a callback knowing very well that she wont assist me....

Please help

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