I met a child I knew got lost and took her to find my mother

I dreamed that I went back to high school to fill in the volunteers for the college entrance examination, and I was surrounded by children in 2000. I thought to myself, since they all graduated from graduate school, I would not fill it out. I chatted with the little boy sitting at my front desk and left. At the stairs, I met a child I met when I was part-time job (she and her mother are very nice people who will give me gifts), she showed me her clothes that can change three colors, but she couldn’t find her mother to take her to dance class, and then I led her around and walked around and it turned into a shopping mall that didn’t exist in reality that I had dreamed about many times. I had dreamed about the passing restaurant many times. We called and we were so anxious that we kept calling and looking for her dance class and then woke up