How to leave it
She might have come to find you after your second approach, or she might not. But either way, there’s a great little trick to parting ways with her that could lead to more.
Firstly, ensure that you’re literally about to leave when you go up to talk to her again. Give her your business card (make sure it is a business card and not a personal card that makes it look like you give them out to women all the time) and say ‘it was very nice to meet you, it would be great to get a drink / see another show / go to another game if you get time’, and then leave.