You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Nicole Lewis. I am planning to attend my Business meeting with my clients, can you please help me to book a flight ticket from DCA to AUS?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey is from 10/06 to 10/08.

ASSISTANT: Please wait. We found a flight on Spirit airline, flight number 1016 with the fare of 100. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.