It's always interesting to meet new kinds of people you haven't before, I find.

Oh, dear! Speaking of, I've forgotten to make proper introductions.

[Casting a wary eye at the dog, he awkwardly scrabbles his way to his feet and dusts some dirt off his metal body and booty shorts. Then, with as much dignity as he can muster, given the situation:]

I am C-3PO, Human-Cyborg Relations. At your service, sir.