Please answer the following question: Given the question "What does the man want to buy?" and the answer "A 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 jackets for boys.M: The black one is nice. How much is it?W: Twenty five pounds.M: Oh, I'm afraid it's too expensive.W: What about the blue one over there? It looks nice, too. And it's cheaper.M: But it's a bit small. Have you a bigger size?W: Sorry, we haven't. But we'll get some soon. Will you come next week?M: All right. I'll come again.