He sighs at her response. Part of him wants to tell her not to bother, but he doesn't do that. What he does send, however, is rather unhelpful.

No idea. By a pigeon.

The pigeon as it happens, he's named Keith and been chatting to for the last hour. Interestingly, the pigeon stayed around almost like he was listening.

Still, he sends another message, not too long after with a more accurate description of where he is.