急！3分钟对话4个人两个朋友在街上走聊天然后碰到另外两个人然后相互介绍过后大家谈论最近几个月干的事

常用的几句介绍的
let me introduce ...让我向你介绍。。。
this is ...这位是。。。
may I know your name?请问贵姓
allow me to introduce myself 请允许我自我介绍
I want you to know my friend 。。。这个是我的朋友。。。

我给你两个人的对话，你自己分配。
--(Lily)hi,mike.I haven't see you for a long time,what are you doing all these days?
--oh,Lily,lucy.nice to see you here.I went to see my grandmother,she live in shanghai.
--(lucy)so you must have a good time?ha~~
--(Mike)yeah.I want you to see my friend,Lee.we met on the train.
--(Lee)glad to meet you!
--(Lily)nice to meet you,I am Lily.and this is my sister lucy.
--(Mike)I haven't ask.Is there any news during my leaving.
--(lucy)nothing new.Lily and I join in a music pub.we have a gothering every week.
--(Lily)It's very funny,would you like to join us ?Lee
(Lee)I'd love to.but I haven't finish my report yet.I'v been busy with it for several weeks.
写着写着我觉得自己挺傻的，我写不出来很复杂的对话，这些你应该都会吧。反正就是乱编