补全对话，根据所给对话，填写适当的内容，使其完整、正确，每空词数不限。

A: Good afternoon, Sir!

B: Good afternoon.

A: ?

B: Yes, please. I want to buy a birthday cake for my son.

A: ?

B: He's twelve years old.

A: ?

B: It's on November 3^rd.

A: ?

B: He likes to play soccer.

A: What about buying him a new soccer ball?

B:

A: Look at this soccer ball. It's nice.

B: OK. I will take it.