You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Charles Green.

ASSISTANT: How can I aid you?

USER: I need to book a flight ticket from AUS to JFK. Please help me in booking a flight ticket.

ASSISTANT: Please provide your travel dates.

USER: My travel dates are from 02/04 to 02/06.

ASSISTANT: Do you have any preferences?

USER: I need to depart in the evening.

ASSISTANT: Ok, flight-1012 is available in Southwest airlines with single connection and the flight fare is 200. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking s confirmed and the depart time is 1:00 AM and your return time is 10:00 PM.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.