You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with flight ticket booking from JFK to AUS?

ASSISTANT: Sure, I am glad to help you and can I know your preferable travelling dates?

USER: Thank you. I have planned my travel dates as July 12 and July 14.

ASSISTANT: Can I know your connection preference?

USER: Sure, I am looking for single connecting flight so please check with that.

ASSISTANT: Is there any other specifications that has to be met for your journey?

USER: No, I do not have any more specifications.

ASSISTANT: Can I know your name please?

USER: Sure, myself Mary Rodriguez.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight obtained on your travel dates to book a flight ticket for your journey.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Most welcome.