Greta blinks, a little surprised -- both by the request (the unicorn has been nothing but kind to her, but she still doesn't think she deserves its company), and the part about her having a job. If the thought of a unicorn being turned into a human was bad, she doesn't even know how to feel about the appalling mundanity of a unicorn having to work for a living.

"Of course," she says first, just barely managing not to add something embarrassing, like 'I'd be honored.' She has far less luck suppressing her curiosity on the job front, though, and after a few moments of silence, she blurts an incredulous, "So you--you have a job?"