You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, May I know your travelling dates?

USER: Thank you. I have planned my travel dates as Feb 28 and Mar 01.

ASSISTANT: Do you have any preferences?

USER: No, I do not have any more specifications. So you can go with my dates and codes only.

ASSISTANT: May I know your name?

USER: Sure, myself Amanda Davis.

ASSISTANT: You have a direct flight 1004 in Spirit airline and price 200, Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.