posted by John .
A: Hello. May I speak to Tom?
B: Speaking. Who's calling, please?
A: Hi, Tom. This is Sam.
How are you doing?
B: Just fine. How's your new school?
A: It's great.
By the way, what are you doing?
B: I'm playing computer games.
A: Will you come to Yunsan Middle
A: We are going to play scoocer at 3:00 p.m.
B: OK. I'll come right away.
A: See you there.
(Is the dialogue grammatical? Would you check each sentence? Thank you.)
Each sentence is good.