C: Do you know when it is scheduled to leave Seoul?
A:It has been tentatively scheduled for 7 p.m. But please call back in one hour. We should have some more information for you at that time.
C: Do you know why it has been delayed?
A: I’m sorry , I don ‘t.
C: How many hours is ti from Seoul to Bangkok?
A: Flying time is approximately 5 hours and 45 minutes.
C: Thank you very much I’ll call back in an hour then. Goodbye.
Do you know
that