HELP!!! ex being to clingy?

ok so there is this guy who asked me out hes nice and all but i dont like him like that. but sense im wayyy to nice i said yes so i wouldnt hurt his feelings. about 4 days later i broke up with him giving him an excuse like "my friends has liked u for a while and still likes you so i cant go out with you" somewhere along those lines. but right after i broke up with him he asked to go to the movies friday night just the two of us. HAVE NOOOOOO CLUE WHAT TO DO!!!!!!!! PLEASE PLEASE PLEASE HELP!!