You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking a flight ticket from AUS to EWR?

ASSISTANT: Sure, I am here to help you. Can you please let me know your trip dates?

USER: I want to travel on 06/11, and return on 06/13.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I need a break in my journey.

ASSISTANT: Are you comfortable with economy class flight or business class flight?

USER: I am comfortable with any class.

ASSISTANT: Are you looking for any time preference for your journey?

USER: No.

ASSISTANT: May I know your airline preference for your journey?

USER: I am comfortable with any airline.

ASSISTANT: Could you help me with your name please?

USER: I am Jack Taylor.

ASSISTANT: Please allow me 2-3 minutes.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, there is no flight available for the mentioned dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.