跪求一个英语对话～急！！

A:I want the mobilephone,it is so cute!MICKEY MOUSE!WOW!
B:It is unnecessary!My cat.
A:Why?Most of my classmates have it.
B:You are just a pupil now ,you can do nothing with it .
A:I can send messages to you when I come back come to make sure I am safe.
C:But no one want to rober you if you have much money or the phone.I won't at least.
A:But I really need it .555555~~~~~~
C:OK ,OK!That's it !A used phone for you !
A:Why not a new one?
C:It is too expensive!Money is not easy to earn!
A:OK!HEHE!