You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my ticket from CLT to DTW?

ASSISTANT: Sure, let me know your trip dates please?

USER: My trip dates are from 11/17 to 11/19.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Myself Jeffrey King.

ASSISTANT: Sorry to inform you that there are no flight services available on your given dates.

USER: It's ok, thank you for your help.

ASSISTANT: Thanks for contacting us.