You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Mary Jackson. I am a civil engineer, I want to give a plain of a shopping mall at Dallas, help me in booking my flight ticket from Washington.

ASSISTANT: Sure, kindly mention your travel dates?

USER: I have planned to start on 11/11, my return date is on 11/13.

ASSISTANT: May I know your airport codes?

USER: My airport codes will be DC-DCA to TX-DFW.

ASSISTANT: There is a flight with your requirement, airline is AA with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1003.

USER: Thank you for your support.

ASSISTANT: Thanks for reaching us.