You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: This is Betty Phillips, can you help me to book a flight ticket from AUS to JFK?

ASSISTANT: Sure, I am here to help you with that booking. Can you please provide your journey dates?

USER: I am travelling from May 8 to May 10.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Sorry to say that, there are no flights available in this route as per your travel dates.

USER: No problem.

ASSISTANT: You are welcome, thank you for reaching our agency.

USER: Thank you for the information.