You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER:  I am Larry Martin want to fly to Washington to meet my relatives. Can you book tickets from 12/09 to 12/11?

ASSISTANT: Sure, please provide your airport codes.

USER: I will depart from NC-CLT to DC-DCA.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Frontier airlines of 1001 flight and price is 200 with single connection. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.