You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER:  I am Mark Davis want to visit Washington  to attend baby shower ceremony.

ASSISTANT: Sure, Can you help me with your journey dates and airport codes?

USER: My travelling dates are 04/09 and 04/11. I will depart from WA-SEA to DC-DCA.

ASSISTANT: Please Wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. A flight is found in airline Frontier with price 100. It has single connection with flight number 1006. Shall I proceed with it?

USER: OK, you can proceed with the booking.

ASSISTANT: Your ticket booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.