You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Washington, will you help me in booking the flight ticket from DFW to DCA?

ASSISTANT: Sure, help me with the trip dates?

USER: My travel dates are May 06 and May 08.

ASSISTANT: May I know your name please?

USER: Myself Emma Martin.

ASSISTANT: Do you have any preferences?

USER: I need a flight with single connection.

ASSISTANT: We found a flight in an airline Southwest with 1019 number having a single connection in an economy class. Shall I proceed to book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for helping me in booking the flight ticket.