what’s the probable relationship between the two speakers?

W: Friendship Department Store. May I help you?
M: Yes, could you tell me when the store closes today?
W: We close at 7:30.
M: I see. And when do you open?
W: Nine o’clock on the weekend.
M: Fine. Thank you very much.

M: Can I help you, Madam?
W: Yes. I want to see some cardigans.
M: What size do you take, Madam?
W: About fourteen inches.