A:Hi,how are you?
B:I don't very fine.
A:What's wrong with you
B:I took a walk with my dog yesterday.I saw he playing with another dog in the garden.
A:And?
B:At last I can't find my dog .
A:That's too bad.
B:Yes.Now,I'm very sad and don't kmow what to do.
A:I think you could callde the police.
B:I think so ,too.
A:I hope you can find you dog.
B:Thank you.