You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from AUS to DEN?

ASSISTANT: May I know your travel dates?

USER: Sure, I want to travel on Feb 24 and need to return on Feb 26.

ASSISTANT: Do you prefer connecting flight?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Linda Miller.

ASSISTANT: We found a flight in an business class with direct flight in American airlines and the fare of your flight will be 600. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1027.

USER: Thank you.

ASSISTANT: Thank you for reaching us.