Pathetic service from the *********** vodacom

So I chose vodacom as my ISP only to find that their prices are very high and their service is a shocker. I then cancelled that order and they even gave me a reference number. I got a shock of my life to only find out that the order that I'm having with another ISP can't be finalised because of my existing order with vodacom which is still active. Either vodacom staff are highly *********** or they doing this on purpose just to delay my order because I don't want to do business with them. I need this resolved so my life can continue without the *********** vodacom.