你能模仿提供的对话，根据信息把对话补充完整吗？）
Where | What | When |
the post office | send a postcard | this afternoon |
the bookstore | buy a dictionary | tonight |
the park | play sports | tomorrow |
Binbin: Hello. Who's that?
John: This is John speaking. Where are you going this afternoon?
Binbin: I'm going to the post office.
John: What are you going to do?
Binbin: I'm going to send a postcard.
John: Where are you going tonight?
Binbin:
John: What are you going to do?
Binbin:
John:
Binbin:
John:
Binbin:
John: Have a good time.
Binbin: You too. Bye!
