He was on from about 07:45 - 08:30, you can listen to it here:
http://www.bbc.co.uk/programmes/b00wgqh2#p00cqpxp
If you scroll down and click 'Chapter 1' which is called 'Matt Cardle' it'll automatically skip forward to the point where the interview starts.
And here's a video of some of the interview:
http://www.bbc.co.uk/programmes/p00cqpxq