根据给出的提示词,编写对话.

Mike(M):Excuse me.It's my first time to here Shanghai,and I lost my way to Garden Hotel.Could you tell me how to get there?
Policeman(P):Of course.Would you like go there by bus or by taxi?
M:By bus,please.
P:Well,have you seen the post office over there?
M:Yeah.
P:It's a bus stop there,and you can take No.9 bus to get there.
M:Thank you very much.
P:It's my pleasure.