You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Dennis Moore.

ASSISTANT: Moore, how may I help you?

USER: I am planning to attend music concert at DTW, can you please help me with booking a flight ticket from DCA?

ASSISTANT: Please provide your journey dates.

USER: Sure, I would like to take off on 06/29 and return back on 07/01.

ASSISTANT: Please hold on for a while. Southwest airlines with flight 1010 is available.

USER: Yes, please proceed with the booking if the price limit does not exceed 200.

ASSISTANT: Your ticket is reserved, have a safe and happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.