Provide the theme summaries for the following conversation: 

#Person1#: Good afternoon.
#Person2#: Hello. This is Jones. I'd like to speak to Mr. Chen.
#Person1#: Speaking.
#Person2#: I'd like to discuss the new order with you. Would you like to have lunch together at Garden Hotel next Tuesday?
#Person1#: Let me check my diary. Er. I'm afraid I can't make Tuesday. I've got to go to Beijing for a conference. I'll come back on Thursday.
#Person2#: That's a pity. Does Friday suit you?
#Person1#: Yeah, that would be fine. What time?
#Person2#: Is 12 o'clock convenient for you?
#Person1#: Yeah, that's fine. Next Friday at 12 at Garden Hotel. I'll look forward to it.

Summary: 
Jones wants to discuss the new order with Mr. Chen. They make an appointment for next Friday at 12 at Garden Hotel.