Agents doing their own things

I have been a loyal customer with Vodacom. Last year I app**** for a 30 gig plus 20 gig, total was 50 gig during the day for R299 for 24 months im not too sure about night as i hardly even use it. Around July i upgraded as i wanted more DATA and i dont know how i managed to let the agents sell me a 70 gig for R375 for 36 months, i then requested to reverse it of which it took longer, every time i spoke to different agents all saying different stories, up until i spoke to someone who told me it will be reversed, only to find out when i called to confirm about the reversal that it was changed to another offer that will now be ending in 2024 of which i did not know about literally i did not even give consent you might as well even call it ***** because the only message i received was for the reversal and not for the other upgrade, now i want to buy the 300gig and im stuck in a limbo as im told to wait for November, i dont know who is giving vodacom agents to do as they please on my account i even regret using it.