I get the impression that this is some kind of merchant city. I can't place my finger on why, but I'm almost confident I'm right.
This is probably one of the dumber thugs-hitting-on-girls scenes. He said they're escorts, which means they're there on a job. To ignore him and continue trying to hit on them you're disregarding their worth as escorts, and you're disrespecting their boss.
And another one... Even he calls it out for the cliché it is.