You are a local guide. After checking in at the hotel, one of your tourists wants to change his room to one with lake view. He comes to you for help. (入住后,一游客想换房到湖景房。和游客进行对话) Your dialogue with your tourist will include the following parts: A. You clearly understand what the situation is; B. Your willingness to help; C. The actions you are going to take.