Provide the theme summaries for the following conversation: 

#Person1#: Can you fix the time for the next meeting, Alex? How about June twelfth that's after the trade exhibition?
#Person2#: I thought something was happening on that day, Rebecca.
#Person1#: Oh, yes. You're right. The people from head office are coming.
#Person2#: What time does the airplane arrive? Can we have the meeting in the morning?
#Person1#: No, it's all arranged. I'm meeting them at 10:30, so I won't be available at all that day.
#Person2#: Well, let's have the meeting earlier in June then. The trade exhibition finishes on the third, doesn't it?
#Person1#: Yes, but we need John's sales report for the meeting. How is it going?
#Person2#: I'm afraid John hasn't started yet. The figures won't be in place till next week.
#Person1#: Will it be ready early in June?
#Person2#: Well, not really. He told me that he will finish them by June tenth.
#Person1#: So we're looking at the week starting the seventeenth. How about 2 o'clock on that day?
#Person2#: I think that's OK. Let's meet here again then.

Summary: 
Rebecca and Alex try to fix the time for the next meeting. They need John's sales report which won't be finished until June tenth. They finally decide to meet at 2 o'clock on June 17th.