You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me in booking the ticket from AUS to JFK? As I'm planning to visit New York.

ASSISTANT: Sure, do you need a way station in between your journey?

USER: Yes, I prefer single connected flight.

ASSISTANT: Kindly mention your travel dates.

USER: I would like to depart from my source location on 24th Dec and I want to return back by 26th Dec.

ASSISTANT: Are there any more specifications?

USER: I want to travel in normal-cost airlines.

ASSISTANT: May I know your good name?

USER: My name is Brian Carter.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for opting us.