She nods, a little bashfully, as she's weighing the fact that okay, that excuse might be passable if she'd chickened out at the last minute and decided not to show up. But then Derek wants to sit and she nods without hesitation.

"Of course. I mean ... It's not like I would let anyone else sit there." What she means is that it's reserved for him today. Whether it actually comes out that way, well, she isn't thinking about that.

"Do you want something? Their coffee's are pretty good."