以你在校园拣到一块手表为题写英语对话

I got a watch in the shcool,and I talked about this with my firend XXX A代表我 B代表XXX
A：I got a watch on the road.
B: Really, whose watch do you think it is?
A: I don't know, maybe someone lost it.
B: yes, and maybe he is worried and want find it.
A:Yes, you are right, let's hand it up to our teacher. maybe he can find out who lost this watch.
B:Ok, let's go