Alice was still very confused. She had been told she arrived in this place the night before and she still hadn't found out where they had taken Jack. She was trying to go back to the man that had handed her papers telling her where she was supposed to live and what she was supposed to do for a living in this place. He had to know where Jack was. Hell, he was probably the one that had taken him.
She saw a man who was yelling her name as she made her way up there. He had to be looking for someone else, because she didn't recognize him, and continued up to the main house to see the man in charge. If he asked her if she had seen this other Alice, she would be glad to tell him that she hadn't, and she would help him look for her once she had found Jack.