highly disappointing service from vodacom!!!!!

I'm extremely unhappy with the level of service from vodacom. Last month I foned them to find out when my contracts come to an end, and informed the consultant that I wouldn't be upgrading my line. He said it's ok then I will continue with the current deal on a month to month contract and from May 2018 he can offer me a great deal for being a loyal customer. He said I would pay R130 and get R200 airtime and 2 gigs of data for the next 2 years, I still asked him if he was sure because that sounds too good to be true, however he assured me it was! A month later I received a call from a vodacom consultant to find out if I was happy with my new contract. Now shocked I asked what new contract, only to tell me that he upgraded me to a 2 year contract whereby I get R220 airtime. Which of course is not what I agreed upon. Foned in and a stunning guy tried to help me but couldn't because he wasn't from the upgrades department. He handed me over to another person( of which I can give you a name) he said he was to listen to the recordings and contract me within a half an hour. An hour and a half I still didn't get a call, sms or an email. When I tried phoning back the upgrades department, which I had to do three times. Firstly they dropped my call, secondly they were trying to find the guy who assisted me and thirdly they didn't know him and couldn't let me speak to a team leader because they leave at 5 and I must be patient because if he said he was going to phone, he will because only a team leader can authorize to listen to voice calls. My concern is that if he said he was going to call, then call and keep me updated. And to top it off I didn't agree to the current upgrade!!!!!