False marketing / promises and poor customer care

My contract was ending so I wanted to go direct with Cell C. Sipho Nala a Cell C Direct sales agent contacted me between the 8th / 9th January 2015. I told him that my requirements 100min talk, 100sms and 500mb data. He said that he had just the right package for me - 100min, 100sms & 1GBdata on the handsets I liked @ R399/mthx24 mth contract. I agreed to this after asking him to confirm this deal with the talk time, sms and data on numerous occasions during our conversation. Validations and then approval from Cell C was done. On 20th January (3h48pm), Sipho indicated that he had another handset that I liked with a package 200min, 200sms and 1GBdata @ R529/mthx24 mth contract. I told him to change the other package to this. I was then told that that another package was loaded instead of what was promised to me by Sipho. This started the most frustrating experienced that I had with Cell C. I contacted persons upon persons from Cell C direct sales and customer care departments but there were empty promises made to call back and solve this issue. It seems that Cell C and its representative staff are really not about CUSTOMER CARE!!!!! Its now with the escalations department...nothing!