通读下面的对话，然后根据上下文补全对话内容。
A: Hi , Lin Yang ! How was your vacation ?
B: It was pretty good .
A:                             ?
B:  I went to Dalian .
A:                               .
B: I went there with my pen pal .
A: Your pen pal ?                           ?
B: He comes from Beijing .
A:           ?
B: He is tall and thin . He is a boy with a big head .
A:          ?
B: Because we both like the sea.
A: I hope I can go there some day.