根据对话内容，在空白处填写适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整。

A: Good morning, Lin Tao. The summer holidays will begin. Where are you going to  1   your summer

holidays?

B: In Dalian.

A: In Dalian? What are you going to do there?

B: I'm going to   2   the English Summer Camp(英语夏令营）.

A: How are you going there?

B: By plane.  If I take  a  train, I'll have to change the trains in Beijing.

A: You're right.  3  ?

B: It is CA551.

A: What time wi11 the plane   4  ?

B: At 9 o'clock.

A: How soon will you get to Dalian?

B: In about one and a half hours.

A: How fast the plane is!B:  It would take me about 24 hours by train.

A: I hope   5  .

B: Thank you very much．