You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to fly to Washington to visit Olympic National park on Dec 1st. Could you please help me to book a flight ticket?

ASSISTANT: Sure, I am glad to assist you and can I know your regional airport codes?

USER: I want to start my journey from LAS and my landing airport code is DCA.

ASSISTANT: Is there any return trip that you have planned?

USER: Yes, I'll return within two days that is on 12/03.

ASSISTANT: Ok, can I know your name please?

USER: I am Jack Williams.

ASSISTANT: Do you have any connection preference?

USER: Yes, I prefer to fly with the connecting flight.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: On your dates and airport codes there is a flight in Hawaiian Airlines with a fare of 100 with a single stop, can I proceed with booking?

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: Your flight ticket booking is confirmed in 1016 flight for your journey.

USER: Thank you for support in booking.

ASSISTANT: You are most welcome and thank you for reaching us.