You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking my flight ticket from AUS to DCA?

ASSISTANT: Sure, can you share your trip dates?

USER: My planned travel dates are Mar 20-22.

ASSISTANT: Do you have any connection limit?

USER: I prefer to fly in connected flight.

ASSISTANT: Is there any class preference?

USER: No more preferences.

ASSISTANT: Please share your good name.

USER: Myself, Jerry Turner.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: We found a connecting flight of fare 200 with airline Delta and number 1018. Can I book?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you for your help.

ASSISTANT: Thank you.