参考答案：Linda

解析：[听力原文] 5-8
R: Good morning. Jianguo Hotel. Can I help you
M: Good morning. Could you put me through to Linda Blake, please
R: Who’s calling, please
M: Helen Anderson.
R: Hold the line, please. I’m sorry, the number’s engaged. Would you like to hold
M: No, could I leave a message
R: Yes, of course.
M: Could you tell her that tomorrow’s meeting is cancelled
R: Meeting is cancelled. OK.
M: And could you ask her to give me a ring
R: Certainly. Does she have your number
M: It’s 5326673.
R: Fine. I’ll make sure that she gets your message.