You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I have to attend a business meeting in DTW, can you please book a flight ticket from DEN?

ASSISTANT: Sure, when you want to travel?

USER: My departure date is 06/17 and please book my return ticket also on 06/19.

ASSISTANT: Ok, in the meanwhile, can I know your name?

USER: Sure, my name is Ryan Martin.

ASSISTANT: Yes, I have found a flight with Jet Blue airlines and the price 800 having a connection limit 1. Can I proceed with the booking?

USER: But my budget limit is 200, so please don't book this flight ticket.

ASSISTANT: Sorry to say that based on your price their are no flight's available.

USER: It's ok no problem, I will go with another airline. Thank you for your information.

ASSISTANT: Thank you for reaching us.