My prepaid SIM card was cancelled after loading 100 airtime.

I had 2 sim card with telkom(prepaid and contract).My contractand data was January 2018,therefore I send a request for cancellation December 2017.Instead of cancelling my contract sim card telkom decided to cancell my prepaid SIM card that had R100 airtime in it.I called client service to find out what's happening with my sum card they said they will reinstate my prepaid number and refund my airtime.M still waiting till today