You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kimberly White.I want to travel DC - DCA from CO - DEN. Can you help me to book my flight ticket?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 10/16 and 10/18.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: The flight 1017 of Southwest airlines is available on your requested dates. Shall I proceed?

USER: Proceed for the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the booking.

ASSISTANT: You are welcome.