A shy genius tries to woo an eccentric girl on their Halloween date, only to discover she is a witch with many mysteries.

Story is conflict
I am not seeing a conflict in the logline.
If the lead character came from a long line of witch hunters, there would be a conflict
If the witch was an evil witch who planned on eating children, there would be a conflict

Where is the conflict? (and by where is the conflict I mean it needs to be in the logline)