He is. Even though she doesn't look around, he nods.

"I'll be here."

He immediately begins to work on her sonic. Battery's gone low. He should've given her a more powerful one, but he didn't think about it. A little rifling through his pockets and he produces something with more power, replacing it for her. It'll last a little bit longer this time, and he'll teach her about recharging it on the console.

He looks up to the building. He hopes she's all right.