You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Please provide your trip dates.

USER: My trip dates are Mar 25 and Mar 27.

ASSISTANT: Do you need any connection limit?

USER: I need direct flight.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Frank Harris.

ASSISTANT: There are no flights available on your dates.

USER: thanks for your information.

ASSISTANT: Thank you for choosing us.