听力原文：W: Hello. Can I help you?
M: Yes, er. . . I am going to see the West End.
W: How much time do you have?
M: Just one day.
W: Well, what do you particularly want to do?
M: I want to visit museums, art galleries, Buckingham Palace, do some shopping, go to the theater. . .
W: But you only have one day!
M: That's right.
W: Well, you can go shopping in the morning.
M: Where?
W: In Oxford Street.
M: How do I get there?
W: You can walk through Hyde Park. It's quite near.
M: Good. What time do the shops open?
W: At nine.
M: Are there any restaurants in Oxford Street?
W: Yes, there are lots. You can have lunch there.
M: Are there any museums near Oxford Street?
W: Yes, the British Museum. You can go there in the after noon.
M: Good. What time does it close?
W: At five.
M: I want to go to the theater in the evening.
W: Well, there are many theaters near there.
M: Where?
W: In Shaftsbury Avenue. You can take a bus from the British Museum.
M: Perfect. Thanks for your help.
W: You're welcome. Have a good time!
What city is being talked about in the dialogue?