You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from DTW to SEA. Could you help me in booking?

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from Feb 08 - 10.

ASSISTANT: May I know your name?

USER: Amy Brown.

ASSISTANT: Do you need a direct flight?

USER: I prefer for connecting flight.

ASSISTANT: Sorry there are no flights available for your journey.

USER: That's ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a nice day.