You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you at present?

USER: Can you please book a ticket from DEN to AUS to attend Board meeting?

ASSISTANT: Sure, Can you please provide your scheduled journey dates?

USER: My journey dates are Sept 30 and Oct 2.

ASSISTANT: Ok, let me know your class preference.

USER: I prefer economy class.

ASSISTANT: Kindly please share your connection limit.

USER: I want a direct flight.

ASSISTANT: May I know your name?

USER: Sure, I am Mary Turner.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We are happy to inform you that, we found a flight in 1023 United Airlines in economy class with a direct flight. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been reserved and the cost is 200.

USER: Thank you.

ASSISTANT: Thank you for reaching us.