请编一下关于过去式的对话（小学六年级），稍微长一点。谢谢！！

前提:Last night,I argued with my best friend,so I walked down the street alone.I saw an alien.And I talked with the alien.
(A:alien B:你自己 R:reporter)
B:Hello!Can you speak English?
A:Oh!I can.Are you a baby?
B:No.I was a baby,but I am a student now.
A:Oh,sorry.
B:What were you doing befroe I walk down the street?
A:I visited middle school,and I bought a beautiful hat.
B:Really?How many people see you?
A:Nobody.I had to leave for earth.
B:Bye.
A:Bye.
B:Are you a reporter?
R:Yeah?
B:I saw an alien.
R:Whatwere you doing when the alien arrive?
B:--------

A: Hello,what did you do last week?
B: I went to a farm with my parent.
A: Oh,really? what did you do in the farm?
B: I milked a cow with my sister.
A: That's interesting!what else did you do?
B: We picked the fruit and tasted them.
A: I will go there next weekend. Bye.
B: Bye.

啊