non delivery of newspaper

I have subscribed for the Sunday times and times news papers,i was supposed to have received my papers from the 23/09/2015.i have been calling them for previous 3 days telling them about the which they promise to sort by delivering the paper.i haven't received the paper as yet I want to cancel my contract and get my money back as this is starting to cost me more because I have to call them daily telling them about the non delivery. I will never subscribe to your news paper again as you don't keep up to your promise