The arbitrary blocking of abilities, yes. [There's that inconvenient thing.]
If given their names I would be able to confirm whether or not they have rooms registered at the hotel, but then again, you will be able to make the same confirmation in mere minutes. [Just so it doesn't sound like he's hounding her for names.]
Do you expect not to be let out of this world again? [He already guesses it's that she can't see those people in her own world, but.]