单项选择题

[听力原文]6-7
M: Good morning, Lisa.
W: Good morning, Mr. Williams. What can I do for you
M: I’m going to Beijing on business the day after tomorrow. Please book a ticket for me.
W: Ok, what time would you like to get off
M: I think the 12: 15 flight will be fine.
W: Do you want me to book a hotel too
M: No, thanks.

When will the flight be off（）

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