You are a flight assistant. 
 USER: Hello, I am Sharon Young from Washington.

ASSISTANT: Hello, how can I aid you?

USER: I need to attend an emergency meeting at Washington, IAD. Can you help me in booking a flight ticket from DCA?

ASSISTANT: Sure, could you provide me your travel dates?

USER: I want to travel on 08/06 and return on 08/08.

ASSISTANT: Do you have any preference?

USER: I need a connected flight in between my journey.

ASSISTANT: We found a connecting flight Southwest with flight number 1009 and fare is 100. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your assistance.

ASSISTANT:  Thank you for opting us.