*****ing my money

I upgraded my contract in November 2020 eff from 1/12/20 and when i inquired about my current airtime i had on my old contract i was advised that it would be carried forward. Come 1/12 and my airtime was not transferred over. I called 35 and spoke to a consultant and was then only advised that if airtime not used within a 60 day period is forfeited. i cannot understand this logic as i have paid for my airtime. This happened previously with my data as well and no resolution came of it. I am sick and tired of the rules that get made with no communication to the customer and Vodacom doing as they please. I WANT MY AIRTIME BACK AS I HAVE PAID FOR IT. my ref is ***