有沒有人可以幫我改一改文法&改通順一點??(英文好的請進)

I served in the cafeteria last week at lunch time in the bar Presse morning. My duty is completely different in the work between the bar and the restaurant, but the friendly smile is always essential in the use intermediate stage. The main work will make the coffee or the tea, the service dessert, and the fruit salad in the people can think the edible extra coffee and the dessert back counter or they have not bought these back the entry in front of the region.

I worked at the cafeteria last week.At lunch time after work, at the Bar Presse in the morning. My task was totally different between working at a bar and restaurant, but friendly smile is always necessary during in service. The main job was to make coffee or tea, serve dessert and fruit salad at a back counter where people would like to have extra coffee and dessert , when the customers try to drink or eat them , they usually like it, that time, I feel very glad.