Given the question "What will the man buy at last?" and the answer "A blue jacket.", write a conversation that might have happened.
A:
W: What can I do for you, sir?M: I'm looking for a jacket for my son.W: Come with me, please. Here are the jackets for boys.M: The black one looks nice. How much is it?W: Twenty-five dollars.M: Oh, I am afraid it's too expensive.W: What about the blue one over there? It looks nice, too. And it's a little cheaper.M: But it's a bit too small. Have you got a bigger size?W: Sorry, we haven't. But we'll get some soon. Will you come back next week?M: All right. I'll come back then. Thanks.