Unable to keep appointmentHello, Mark Owen speaking. Can I help you?Hello, Mr. Owen. This is David Smith of International Trading Co.I'm sorry you missed me when you called my office this morning.My secretary said you called concerning our meeting next Wednesday?Yes, Mr. Smith, thank you for returning my call. I'm glad to finally get a hold of you.I wanted to let you know I will not be able to keep our appointment next Wednesday.I will be in Shanghai that day. Is there any possiblity we can move the meeting to Tuesday?I'm sorry, I'm afraid I'm completely booked on Tuesday. Would it be possible to postpone until you return?Well, I was counting on taking care of our meeting before I leave, but I suppose I could shuffle a few things.Yes, I'll be back Friday morning. What about Friday afternoon? Would that will be convenient for you?That should be fine. Say about 2 o'clock. OK?