Listen to the whole passage
Listen to the whole passage once first, then practice sentence by sentence.
The first line is the other person opening the conversation; the "You" lines are suggestions for you to practice saying in this scenario (not a back-and-forth dialogue).
A friend volunteering with you
星期六我们去医院帮人，好吗？
Let's go help people at the hospital on Saturday, okay?
You
好，我也想帮人。
Sure, I want to help people too.
You
我们在医院做什么？
What will we do at the hospital?
You
我们给医生帮忙。
We'll help the doctors.
You
星期六上午几点去？
What time do we go on Saturday morning?
You
我们上午八点见吧。
Let's meet at eight in the morning.
You
我们一起坐车去。
Let's go there together by car.
You
帮人真高兴。
Helping people is really nice.