急求英语口语,有关健康的对话,不能太短

下面人物Lily and Jenny
L: Do you know how to keep a slender figure.(苗条的身材)
J: In my opinion, do excercise for an hour at least every day and have regular meals , keep to a diet of salads and fruit, and eat very little meat.
L:That's great. How dou you think these girl who go on diet and even rely on diet pills to lose weight .
J: I think they are not wise,it is not scientific and healthy. Only by proper exercise and regular diet can you get a amazing figure.
L:Yeah ,you are right absolutely,but it will take much time and many people are unable to keep on.
J: I mean you, but nothing is easy in the word, isn't it? No panis no gains.
L: Yes, nothing is impossible. Maybe i should start to get myself into shape. （锻炼身体）Would you like to go with me?
J:Why certainly. I'd be most happy to.