You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I be at your service.

USER: Please book me a direct flight ticket from DTW to ORD to attend for a meeting, can you help me with it?

ASSISTANT: Sure, do you need a connecting flight or direct flight?

USER: I have already mentioned above.

ASSISTANT: When are you willing to travel?

USER: My travelling dates are from 06/07 to 06//09.

ASSISTANT: May I know your name?

USER: I am Donna King.

ASSISTANT: Thanks for sharing your details. We could not find any flights for you at this moment.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.