Starting to sound a bit pretentious, here. Maybe dial it down a bit.
"I believe it was Camus who once said -- and forgive me, but it really only sounds best in the original French -- Aujourd'hui-"
THAT'S dialed down?? Just take a deep breath and talk to her.
"But, or, rather, never mind all that for now, I changed my mind, French is clunky and Camus is for ... rapists. But tell me -- what is your name? ... Elise. Beautiful name, really. Elise. Elise, I know this might sound strange, me being the richest man in Gotham and all, but can I buy you a drink? Bartender, I'd like a- What's that, Elise? No? What, you don't drink or- Oh. Just not interested. I see. Yes, well, that's ... that'll be fine."
I just got turned down. Me. Bruce Wayne. First time for everything, I guess. Onward and upward.
"Anyway, it was lovely talking to you, and if you change your mind, I'll be close by ..."
Maybe point out that you also look good in a suit.