VODACOM - NOT TRUSTWORTHY

In December 2023 I received a phone call that they want to upgrade all my accounts and that the deals will be as mentioned by the sales person, in January 2024 when I received my bill it was not as promises and I called Vodacom to reverse the upgrades - until today was this not done and when I call them yesterday i was told that they can see the request in January and that this was never done - I need to know if Vodacom going to pay back my money from January and when will this be finalize - all the cancellations and reversals as admitted by two person that this was never done in January