You are a flight assistant. 
 USER: Hello. I am Laura Evans.

ASSISTANT: Hello, how may I assist you?

USER: I am going for a round trip to Detroit to participate in a singing competition, so can you please help me with booking a flight ticket within price 200?

ASSISTANT: Sure, may I know your travel dates?

USER: Yes, I will go on 06/29 and come back on 07/01.

ASSISTANT: May I know your airport codes?

USER: Yes, my airport code is DTW.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1013. Shall I book this ticket?

USER: Yes, you can book it.

ASSISTANT: Ok. Your reservation has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you.