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．