You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Joseph Nelson. I need a flight ticket reservation to New York in the month of September for a small event over there. Can you please aid me in booking it from Austin?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are 08/08 to 08/10.

ASSISTANT: Can I know your preferred airport codes please?

USER: I will start from AUS and land at JFK.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for opting us. Have a nice day.