I had a time similar to this, when Kitty and Deirdre were talking, in my old town.
Kitty would be talking as if she was Deirdre and vice versa for Deirdre. D:
I've had my Mallary use that exact line of dialogue when talking about Gabi, who is a Peppy. This is dialogue that Snooties use when a female villager asks you to give a gift to a Snooty and they reference back to the person who asked you to do it.