Disgusting service from vodacom

I am absolutely disgusted with the service I have received from vodacom. They **** and then tried to cover it up. I called on the 3/10/2018 to cancel my contract they offered me a deal that suited my needs and was close to competitive pricing I was then pleased with that and decided to stay as I have been a loyal customer for the past 15 year. I confirmed the contract details about 8 times during my conversation with the sales person. I received email confirmation confirming price and contract code however details discussed was not reflecting on the quotation. The next day someone contacted me to deliver the phone and to my surprise I then found out that the contract we discussed and what they were giving me was totally different. I told them to hold the delivery so I could speak to the call center agent. I left 4 messages for him and he did not return my calls. Eventually I spoke to a rude and arrogant call center agent Lesego. I explained to her the conversation between myself and the sales person. She made me hold while she got information. When she came back on line she then told me the sales person was right and I was mistaken about the deal. I must take it or contact Telekom for a deal. I was shocked and tried to explain myself, she refused to listen to my side. Eventually I told her that Vodacom is giving me such bull**** service to which she responded saying I was swearing at her. I told her I was not swearing at her instead I was explaining my frustration. She started raising her voice and insisted I was swearing her. I was shock at the manner in which she handled my case. I then called and spoke to her team leader who said that their systems were down and could not pull out the recordings straight away. The team leader got back to me and agreed that the Lesego handled the situation incorrectly. They were going to listen to the sales persons recording and get back to me. I eventually followed up the next day and on my first call I was told that I was right however I was supposed to contact the salesperson to confirm my order. This to me sounded like one big cover up. I asked her to pull out recordings and I gave her times of the calls between the salesperson and I. Which proves I excepted the contact and what the contract was. She never came back to me instead the salesperson contacted me to apologize for the incorrect information and that there is nothing he can do because the deals are now over and I must contact the call center on Monday to check. (Wow!!! I could not believe that) Lesego then call me a few minutes after and says " I'm calling you to apologize " in an abrupt tone. To which I responded I am waiting. She then told me I just did. I tried to advise her on how to deal with client and her response was shocking. I have been a Client for more than 15 years and this is the service I receive. These guys need extensive training.