Barty was initially startled by the call, and his hand gripped his wand in his deep coat pocket. However, the words were friendly, and he relaxed when he spotted the young woman who had been greeting him. She was too young to have known him before, he thought.
Aware that he had been staring at her, he frowned and glanced about the shop. There was nobody else about. He looked back at the girl. "This is my first time here," he told her haltingly, unused to speaking to anybody. "Are you the owner?"