[She blinks at his hasty addition before she laughs.]

I wasn't aware that you even knew pickup lines.

[Just a playful tease before she reaches into her bag.]

But I never did get the chance to give you my hard last time, huh? So here is my work number... [And then she grins as she flips the card over to write something before handing it to him.] And that is my personal number.

Thought it might be better if you had another copy in case something happens to your phone.

[Okay, and maybe she wanted to do the "write her personal number to a guy she wants to date on the back of her business card" at least once, ssshh.]