[well hello, new person! the Doctor gives the new person a raised eyebrow out of curiosity before he speaks, the elegant interior of the tea room visible over his shoulders.]

Ohhhh, I think you'll find that no one here did anything of the kind! Although...[he leans in closer, peering at the stars beyond]...it seems to me that your particular CAT device had quite the journey. [he frowns ever-so slightly; the stars don't quite look like the ones he's familiar with]