He was used to his flirting being completely missed, it was fine.

"Well, then you haven't met the right people," he replied, grinning as he glanced back. "You'll have a great time, I promise. Get a chance to really test out those new limbs of yours. It gives a good hormone rush, too, or so I'm told." He knew that some of the other droids found the involuntary feelings weird, so it was best to warn ahead of time.

"I'd have asked you out sooner if I thought you were interested."

He means about the dancing. Mostly.