Yeah, what Kerry said. Throw out an idea or two of where, and a couple options of when. I don't think a restaurant is too bad, a bar, I wouldn't do. Maybe an ice cream shop for a snack. You can make a quick getaway if needed, or you can linger. If the weather isn't bad, something outdoors makes a lot of sense.
I'd keep the arranging to meet part pretty straightforward. I'd leave out the flirty stuff there. There's time for that later.