He promised he would only pull the pain to the point David could, more or less, get back to the hotel. And that's clearly not where he's at yet. He'd like to pull to the point David can get his defenses up again, but he doesn't know how much that will take, and he is starting to feel the early signs of strain from using magic.

At the new information he clicks the lowest floor instead. There will be plenty of people in the lobby to siphon to, and there are chairs if David needs one.

"Do you have the key or do I need to retrieve it?"