"The scene isn't extensively quoted, but it looks like she just pulled the list on him and started ticking off the boxes."

That's pretty much how it went. To be fair, the narration does give the impression that she'd be just as nervous if she weren't dolled up, but it still is pointless.

"(and I just have to wonder: why the high heels? The bartender wouldn't be able to see them from behind the counter anyway)"

Because high heels are trampy and on trampy girls flirt, dontcha know? -_-