You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am looking for a flight from Austin, AUS to Washington, DCA. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, could you please share your journey dates?

USER: My journey dates are July 30 and Aug 01.

ASSISTANT: May I know your good name?

USER: Sure, myself Dorothy Hill.

ASSISTANT: Please let me know your connection limit?

USER: Sure, I need a flight with single connection limit.

ASSISTANT: Do you have any other preferences?

USER: I would like to book my ticket in business class.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.