Dstv Box Office

I recently on the 24/10/2020 rented a movie from dstv box office and was billed but the movie did not appear as available to watch I called the call center *** and the call centre agent confirmed that the payment was made but that she can see that the movie has not been made available yet, her advice was that I should wait a few minutes and after more than 30min I re-rented the same movie as it was still not appearing as available to rent and I was billed again but this time the movie was available to watch almost immediately. I would like to know who I should contact to get the second payment refunded as I do not want to call the call center as it is simply a waste of my money and time as you have to go thru all the messaging and then hold until you actually speak to a call center agent if you lucky.