You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Martin.

ASSISTANT: How can I help you at this moment?

USER: I have to attend a Music Concert at Detroit, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Could you please mention your travel dates for booking flight ticket?

USER: I would like to take off on 05/11 and return on 05/13.

ASSISTANT: May I know your preferable airport code names?

USER: My source airport code is DFW and destination airport code is DTW.

ASSISTANT: Please hold on a moment, I will check flight availability in  this route.

USER: Sure, take your time.

ASSISTANT: Based on your information, Spirit airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I confirm this flight ticket for you?

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1004.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome.