You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you? Welcome to our flight booking agency.

USER: I want to visit Seattle my brother.Can you please help me for booking the flight ticket?

ASSISTANT: That's great, could you please share me your dates of trip for further booking purpose as per request?

USER: The trip is of 2 days, the departure date is 09/25 and the return date is 09/27.

ASSISTANT: Can you please help me with your source and destination codes for further process?

USER: The source code is from MI-DTW and the destination airport code is WA-SEA.

ASSISTANT: Ok, can you please help me with your name for further process?

USER: Sure, my name is Jonathan Nelson.

ASSISTANT: Do you have any other restrictions?

USER: Yes, make sure that the connection limit should be 0.

ASSISTANT: Sorry Nelson, there is no flight is available as per your travelling report.

USER: No problem, I will search with another flight to complete my trip.

ASSISTANT: Ok, please try with your best.

USER: Thank you for your information.

ASSISTANT: You are welcome. Have a nice day.