Somerset la grace guesthouse Lissa refuse to refund me

I cancelled my booking from the owner Lissa of the somerset la grace guesthouse in cape town after i paid R1620 deposit amount and bcz they do not have cooking facilities i had to cancell... the cancellation for the booking was free i cancelled early, ts been more than 2 months now the owner of the guest house don't want to pay me, she is saying i will get my money once people book the guest house again whereas before i paid there was no agreement like that, it was clearly stated "FREE CANCELLATION" and i've been patient with her since june 2019. Please help what can i do?