You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight from DTW to DCA, can you help me in booking?

ASSISTANT: Please provide your trip dates.

USER: Sure, my planned travel dates are July 31 and Aug 02.

ASSISTANT: Do you need any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No, thank you.

ASSISTANT: May I know your name?

USER: Myself Virginia Moore.

ASSISTANT: There are no flights available on your routes.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.