The whistle startles her, and Luna whirls around to get a look at the culprit. There's a man there watching her, and despite herself she's a little unnerved. He hasn't said anything, just whistled. What is that supposed to mean?

It takes a second to realize she's been standing in place for a few minutes with the Cornucopia still within decent range, and that very well might be it then. But still, she calls out to Ellis: "I'm sorry! What do you want?"