You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Detroit, will you help me in booking the flight ticket from DEN to DTW?

ASSISTANT: May I know your travel dates?

USER: My preferable journey dates are Mar 03 and Mar 05.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a flight with single connection.

ASSISTANT: Is there any other concern?

USER: I would like to depart in morning time.

ASSISTANT: May I know your name please?

USER: Myself Amanda Phillips.

ASSISTANT: No flights found as per your preferences at the moment.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.