He's relieved by who he sees, even at first glance: well put together, a little nervous, not too far out of his age range. Reid gives an answering small smile, edged in shyness himself.

"Um, yes. I'm... Dr. Spencer Reid. Please have a seat?"

Despite sounding a bit tentative, Spencer isn't at a total loss, and covers his normal aversion to casual physical contact by seating himself again before a handshake could come up. He's polite and composed, and always curious. Spencer likes learning about other people and talking to them, despite not being a fantastic conversationalist in general or especially good at talking about himself. At the very least, even if there's no 'chemistry', he expects talking over dinner to not be so bad.