[She's actually been searching most of the morning, using her limited sense of him and where it seems strongest to help her along. The pillowcase stuffed with sweets in her arms is just what she figured she might as well fill on her way, since she was wandering across the dome anyways. Two birds one stone, you see.
Eventually his shock of hair catches her sight, and she breaks into a jog before he starts moving again-- unable to tell at first that anything is, in fact, different at this distance]