A piece from the BBC about Dan Radcliffe's feelings on meeting the Cho Chang.....
'Daniel Radcliffe says he's kind of excited about seeing who will play his potential girlfriend Cho Chang in the next movie.
But he says he won't get to help decide who plays her.
Harry meets Cho Chang for the first time in book three, Harry Potter and the Prisoner of Azkaban. There's instant chemistry between them, which develops even more in book four.