You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates are from 02/26 to 02/28.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Any other requirements to be met?

USER: I would like to prefer economy class.

ASSISTANT: May I know your name?

USER: Myself Betty Martinez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.