You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Sandra Hall, I would like to go from IAD to AUS, can you please book me a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My preferable dates are from 03/10 to 03/12.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thank you, for waiting, we found an airline: Spirit, flight number: 1003 with single connection and price is 100. Shall I proceed to booking?

USER: Yes, you can.

ASSISTANT: Your booking is confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing us.