【正确答案】 A

【答案解析】原文：W: Good morning, Star Hotel. Can I help you? M: Yes, I need to cancel my booking. W: No problem. Just give me your name and date of visit. M: Li Xiaoping, June 7th through 11th. W: I see your information here on the screen. I’ll cancel your booking.M: Thank you very much. W: You’re welcome.18. Why is the man making the phone call?19. What is the woman asking the man to tell her?信息明示题。对话中，男士提出要取消预订，女士表示没问题，然后让男士提供姓名和住宿日期。由此可知，女士让男士告诉她的信息是A“他的姓名和住宿日期”。B“他的房间号和离开日期”、C“他的公司名称和电子邮箱地址”和D“他的电话号码和家庭住址”均与对话内容不符，因此可以排除。