You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am planning to attend an Art Exhibition in Atlanta,ATL .Can you help me in booking my flight ticket?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My trip dates are 09/07 - 09/09.

ASSISTANT: May I know your source code?

USER: My origin code is DTW.

ASSISTANT: Do you have any connection limit?

USER: I would like to fly in a single connecting flight.

ASSISTANT: May I know your name please?

USER: Robert Baker is my name.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: I am sorry to say that there is no reservation found under your details.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.