What are they talking about?

M: That’s a nice dress you’ re wearing.
W: Thank you. My father gave it to me as a birthday present. He knows red’ s my favorite color.

W: Mike, there’ s not much left in the refrigerator.
M: Well, I might be able to pick up a few things after work, but I have to be back rather late today.
W: In that case, we’ll eat out at McDonald’ s.
M: OK. See you there at 8:00.