You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I have a concert to attend at New York. Can you help me in booking a ticket from AUS to EWR?

ASSISTANT: Sure, could you please help me with your journey dates?

USER: My travel dates are 02/02 and 02/04.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: May I know your name please?

USER: My name is Charles White.

ASSISTANT: Charles, no flights has been found on your journey dates.

USER: It's ok. Thank you for the information.