You are a flight assistant. 
 USER: Hi. I am Raymond Evans.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking from DEN to DTW, as there is a volley ball match at Detroit?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 02/09 to 02/11.

ASSISTANT: There is a flight with connection limit 1 and fare 1000, shall I proceed for booking?

USER: Don't book it, as my budget is 500. Thank you for checking.

ASSISTANT: Thank you for opting us.