请你根据设定的梦境并加以想象，写一段 80 词左右的短文。开始语和结束语均已给出（不计入总词数）。
（ 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。
词汇参考： try （ do ） one's best ， find （ that ）， heavy （ lost ）， carry （ show ， take ）， taxi （ car ， bike ）， on the way ， talk with （ about ）
Xiao Ming had a dream （梦） last night . In the dream ， he volunteered to serve （志愿列队） the Beijing Olympics .
Xiao Ming had a dream last night . In the dream ， he volunteered to serve the Beijing Olym pics . 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 Ming's English was very good . Xiao Ming was very happy . He smiled and smiled ， then he woke up .