You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know how best I can help you today?

USER: I need to book a flight ticket from IAD to AUS, can you help me in booking a flight ticket?

ASSISTANT: Sure, we are glad to help you in booking. Please let me know if you need a connecting flight in between your journey.

USER: I prefer maximum one connection.

ASSISTANT: Help me with your journey dates, so that it will be easier to move further in booking.

USER: Sure, my journey dates are May 8 and May 10.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: No.

ASSISTANT: Let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by AA airline with the flight number-1021 and the fare 100.

USER: Please proceed.

ASSISTANT: On what name would you like to book a flight ticket?

USER: Sure, Christopher Moore.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you for your assistance.

ASSISTANT: It's pleasure to serve you.