You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you please help me to book a ticket from IAD to AUS?

ASSISTANT: Sure, we are here to help you. Can you assign me your trip dates?

USER: My travelling dates will be on Oct 8 to Oct 10.

ASSISTANT: Do you need any way station in your journey?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: I would prefer economy class.

ASSISTANT: May I know your depart time and arrival time?

USER: I am comfortable at any time but I would prefer normal-cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a connecting flight with fare of 200 and 1011 flight number. Shall I proceed?

USER: You can proceed.

ASSISTANT: To confirm the booking, may I know your good name please?

USER: Rebecca Moore here.

ASSISTANT: Your seat has been reserved with American Airlines in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us, have a safe journey.