she was just trying to flirt with OP and he freaked out and made it really weird… she as like

NOPE

and bailed

Even if they were trying to flirt, being told repeatedly not to do something that they keep doing anyway is not flirting.
For some people it is
Yea, second graders.
They are people too, just like you and me
Yea but most people don’t want to date second graders.