Where does the dialogue probably take place?

M: Good morning, Madam. Can I help you?
W: I’d like to order a table for six.
M: Today, Madam?
W: Yes. M: Then, what time?
W: About 4 o’clock, I think.
M: I’m sorry that we only serve lunch until 3 o’clock.
W: Well, 2 o’clock is all right. But it must be by window.
M: OK. What’s your name, please?
W: Sally Green.
M: OK. A table for six at 2 o’clock today. See you then.
W: Bye!