填空题
根据中文提示，将对话中缺少的内容写在线上。这些句子必须符合英语表达习惯。打句号的地方，用陈述句；打问号的地方，用疑问句。
提示：Alice求机场的一位旅客帮忙告诉她怎样才能搭乘去纽约的航班。这位旅客说朝左拐，随后找Alice要搭乘的航空公司(airline)，并要给Alice画张地图。
Alice: Excuse me,{{U}} (51) {{/U}}?
Passenger:
Yes?
Alice: I have a ticket to New York.{{U}} (52)
{{/U}}?
Passenger: I can't help you here. You have to go to
the ticket counter. Follow this passage to the end,{{U}} (53) {{/U}}and
go two hundred yards. You'll see a sign that says, "Check in".{{U}} (54)
{{/U}}.
Alice: Go down this hall to the end. Then go
left?
Passenger: That's right. Here,{{U}} (55) {{/U}}.
Sometimes it's confusing.
Alice: Thank you.
Passenger: My pleasure.