You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I need to schedule my holiday trip at Austin, to have fun at Emma Long Metropolitan Park on 03/27. Can you help me to book a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?

USER: My airport codes are NY - JFK, TX - AUS.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Can you provide me your departure date for booking?

USER: I intend to return on 03/29.

ASSISTANT: Please wait a moment, I will check the availability and revert to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately we have a direct flight of Hawaiian airline.

USER: Ok, not an issue.

ASSISTANT: May I know your name for documentation purpose?

USER: Donald Walker, is my name.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your support.