You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend a live music concert at Dallas & Forth Worth so, can you please avail me a flight ticket?

ASSISTANT: Sure. May I know when you are planning to travel?

USER: I am planning to start on 02/09 and return on 02/11.

ASSISTANT: Do you have any specifications?

USER: I need a way station in between my journey.

ASSISTANT: Help me with your airport codes.

USER: I want to start from Detroit, MI-DTW to TX-DFW.

ASSISTANT: Give me a minute, I will check and revert to you..

USER: Sure.

ASSISTANT: There is a flight available with AA airline, flight number 1000 with fare 200 and a lay by. Shall I proceed to reserve?

USER: You can proceed.

ASSISTANT: I need your name to confirm reservation.

USER: My name is Kathleen Collins.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.