Non Existant customer service

Absolute worst service on earth, I am trying to correct my debit order date, I am unable to get through to accounts, when signing up for my contract only a few months ago I explicity stated I want the debit order date to be the 26th of every month, they debit order is not set for this date, I have for weeks now been trying to call their custome care service and all I get is Tobi the useless AI that for what ever reason cannot put a call through to a human being, I attempted to go into a vodacom branch, the person there said they cannot help me I must call *** and he assured me that I will be able to sort out my debit order date and I would be able to speak to a human being, tried calling the number, Guess what? Tobi and I am still not able to change my debit order date. Does vodacom not employ people anymore? I need to change the debit order date, or I am cancelling this contract and I refuse to buy out the remainder of it!!!!!!