根据下面的对话，在每个空白处填上一个适当的句子，使对话的意思连贯完整。
A：The May Day holiday is coming.
B： Yes. ____？
A: Yes. I want to go to visit Luoyang.
B: Great. It's a beautiful city. ____？
A: My parents and my little brother.
B:____?
A: By train. Its safe and cheap.
B: That's true.____？
A: For two days, May 1st and 2nd. I can visit the most places of interest there.
B: That's OK.____！
A: Thank you.
