"That's hardly gentlemanly of you, Borgia, impugning a lady's honor like that." Joscelin has only heard the last few words of the exchange, having been turned away from the bar because he looked too young to drink. Really, this is a Night Council event. They should be able to tell a vampire apart from a human by now. So he's annoyed, bored, and looking to cause mischief. He sidles up to his sometimes friend and the unknown lady and gives her his most angelic smile.
[cutting in, with permission]
"You deserve better than Cesare Borgia, madame."