You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to book a ticket from AUS to DCA. Could you book a ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: Departure is Aug, 5 and return date is Aug, 7.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart in the evening.

ASSISTANT: Ok, can I know your name please?

USER: My name is James Edwards.

ASSISTANT: OK, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1016.

USER: Thank you.

ASSISTANT: My pleasure.