You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight from AUS to ORD, so please help me.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my planned dates are on Dec 16th to 18th.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Helen Gonzalez.

ASSISTANT: We found a direct flight with fare of 200 and 1009 flight number.

USER: Ok, please proceed.

ASSISTANT: Your seat has been reserved with Jet Blue airline in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.