在下面对话的空白处填入适当的话语，使对话完整。

A: Hello! This is Sunny Store.?

B: Hello! I'd like to buy a box of milk.?

A: Let me have a look. Oh, it's 45 yuan.

B: OK,. Could you please deliver (递送) it to me now?

A: Sorry, my dad isn't here. But I can make it instead. And your address?

B: Room 306, the 12th building.

A:?

B: That's all. It's late. Please deliver it when your father comes back.

A:. Thank you. Bye!

B: Bye!