You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from AUS to JFK?

ASSISTANT: Sure, may I know the itinerary travel dates please?

USER: I would like to depart on Apr 21st and return on Apr 23rd.

ASSISTANT: Is there any airline preference?

USER: I need a normal- cost airline.

ASSISTANT: Is there any class preference?

USER: No, but I need a connecting flight.

ASSISTANT: Sure, may I know the time concern.

USER: I have no other concerns.

ASSISTANT: May I know the name please?

USER: I am Jacob Hernandez.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT:  Jacob Hernandez. I regret to to inform that there are no flights on your route with the given dates. Thank you for reaching us.

USER: Ok, not an issue. Anyways, thank you for the information.