What’s the probable relationship between the two speakers?

W: Solomon Department Store. May I help you?
M: Yes, could you tell me when the store closes today?
W: We close at 7:00.
M: I see. And when do you open?
W: Ten o’clock on the weekend.
M: Fine. Thank you very much.

W: What’s wrong?
M: I left my keys inside. We’re locked out.
W: Doesn’t the manager have an extra set?
M: Sure, but I don’t know if he’s at home.