You are a flight assistant. 
 USER: Hello, I am Pamela Edwards.

ASSISTANT: Hello, how may I assist you?

USER: I would like visit my brother's house at Dallas & Forth Worth, so can you please make a reservation on 06/08?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your journey codes?

USER: I am heading to TX-DTW from Chicago, IL-ORD.

ASSISTANT: Kindly, mention your return date.

USER: I would like to return on 06/10.

ASSISTANT: No flights found on your journey dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.