You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to have fun and enjoy live music at Times Square in New York, can you please help me to book a flight ticket from Austin?

ASSISTANT: Sure, do you need any break in between the journey?

USER: I am fine with one connection as it is a long journey.

ASSISTANT: Ok, provide your travelling dates.

USER: I will start my trip on Sept 19th and end on Sept 21st.

ASSISTANT: May I know your airport codes please?

USER: I will fly from AUS to reach JFK.

ASSISTANT: Do you need any class preference?

USER: I always prefer business class.

ASSISTANT: Ok, may I know your good name please?

USER: My name is Dennis Jackson.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for the information though.

ASSISTANT: Thank you for reaching us.