选题背景：
小明做了一个梦。他梦见自己为北京奥运会做一名志愿者：他努力帮助来自世界各国的外国朋友在交谈中, 小明让外国朋友更多地了解北京。外国朋友感谢小明, 并认为小明的英语非常好。小明很高兴, 他甜蜜地笑了
请你根据设定的梦境并加以想象，写一段80词左右的短文。短文的开头已给出(不计入总词数)。 内容要求：
1.帮助外国朋友;
2.与外国朋友交谈;
3.感谢小明;
4.小明很高兴。
范文：
Xiao Ming had a dream(梦)last night
Xiao Ming had a dream last night. In the dream, he volunteered to serve(志愿列队) the Beijing Olympics.He tried his best to help the foreign friends from different countries. When he found a foreign friend worried in the street, he went up to him and asked him what was the matter. The foreigner told Xiao Ming he was Jack, and he forgot the way to the Sun Hotel. Then Xiao Ming stopped a taxi and took him to the Sun Hotel. Xiao Ming talked with Jack on the way and made Jack know more about Beijing. Jack thanked Xiao Ming very much and thought Xiao Mings English was very good. Xiao Ming was very happy.He smiled and smiled, then he woke up.