You'll usually be offered the choice to go to dinner with Thomas, too. > Most days you have the choice of going in early (Norman Route?) or waiting to go with Thomas (Thomas' Route). The end result is the same, but if you go back and wait for David the second time you're prompted on the Thomas tour, Norman will join in to greet you in your room. > Your tour will be with Thomas or David.
Since making this thread, I've compiled a few details from several playthroughs:
