补全对话根据所给对话，填写适当的内容，使对话完整、准确(每空词数不限)。

A: Excuse me. I'm afraid I'm lost.?

B: The train station?

A: Yes. I'm leaving for Shanghai by train.

B: Go along this street， turn left at the second crossing, and then go straight along Huayuan Road until the end. You will see the train station on your right.

A:?

B: It's about 800 meters.

A:?

B: Yes. the No. 12 bus can take you there. But the bus stop is a little far from here.

A: Can I get there quickly?

B: Yes.. Look! A taxi is coming.

A: Oh, yes. It's so kind of you..

B: You're welcome.