You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend a Cultural Event in DCA, so please help me in booking a flight ticket from DTW.

ASSISTANT: Sure, tell me your travel dates please?

USER: I would like to fly on Mar 25 and return on Mar 27.

ASSISTANT: May I know your name please?

USER: Myself Kevin Wilson.

ASSISTANT: Are you looking for a flight with a lay-by option?

USER: I need a direct airline.

ASSISTANT: Any other preferences?

USER: I don't have any other specifications.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. I have found American Airlines which is a flight with a lay-by option.

USER: You can proceed to booking.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you.