[ He's trying really hard not to be amused by the obvious irritation, but... not so much succeeding. He does mostly sound friendly and not at all mocking in his reply, though. ]

No, no - sorry, my bad. You said Prince, I should've figured that out. [ The Arthur of Camelot part was slightly distracting, really. ]

What I mean is you're - uh - younger than I thought you'd be. You're kind of a big deal where I'm from. [ Careful....... ]