We don't have time for that ^
Serious? I even goggled it and came across a yahoo answers that said that bartender was the correct term as barmaid was dated.lol i was going to use "bar lady", how about the girl behind the bar at whetherspoon who makes drinks and takes orders.
This isn't an American sitcom, take her for dinner and a movie.

Leave her be. She's better off without you.
Leave her be. She's better off without you.
OP will fail to deliver?
OP is basically Yodel.
OP is basically Yodel.
Harsh.
Too far man....... too far.
Holy sweet nipular penis feces.
You're seriously asking an internet forum if you should ask out a random girl?
You don't want to ruin that nonexistent relationship you already have with her or something? Christ.