You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please book a flight ticket from OAK to AUS?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: Thank you. I have planned my travel dates as Mar 19 and Mar 21.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connecting flight so please make sure that.

ASSISTANT: May I know your airline preference?

USER: I am ok with any airlines.

ASSISTANT: In which class do you prefer to travel?

USER: I am not specific about any class to travel.

ASSISTANT: Do you have any other requirements?

USER: No, I am happy to travel in any flight which is available on my travelling dates.

ASSISTANT: May I know your name please?

USER: Sure, myself Patricia Taylor.

ASSISTANT: There is a flight from United Airlines with a ticket fare 100, shall I proceed with booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been confirmed with the flight-1018 in economy class.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe trip.