You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Carolyn smith.

ASSISTANT: Ok Carolyn, how can I help you?

USER: I need to attend a business meeting in New York.can you book a ticket from TX - AUS to NY - EWR?

ASSISTANT: Sure, can you please tell me the travelling dates of your journey?

USER: I want to depart on 12/22 and return by 12/24.

ASSISTANT: Ok, please wait for a moment.

USER: The connection limit is 1.

ASSISTANT: Sorry for the inconvenience, there are no flights found on your requirements.

USER: Ok, that's not a problem. Thank you for your help.

ASSISTANT: You are welcome. Have a great day.