You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Laura Baker here.

ASSISTANT: Ok.

USER: Please help me out in booking the ticket from DTW to DCA.

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates will be Feb 21 to Feb 23.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a connecting flight 1005 from American Airlines has fare 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.