Oh. Maybe she is interrupting his day, then? But he says it's fine, so she'll take him at his word. She isn't so meek to assume she's being an inconvenience if he says she isn't.

"Ah...alright! I'd really appreciate that, sir...?" She'll wait for his name or the inevitable refusal of the title. "Where would you like for me to wait?"

Either way, she appears a bit brighter than she had before.