Unfortunately, perhaps for her, perhaps for him, there's someone in the stables who does speak Orlesian and that's because he's busy taking care of his own Chevalier's giant horse and his own little pony.

"I haven't heard anyone speak Orlesian in a while. You'd think only Fereldans lived in Skyhold." This could go poorly. He's an elf, she's a Chevalier. But he'd see.