You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I be at your service today?

USER: I am Larry King. I would like to visit visit the University of Texas, to interact with the students about the cultural events in Austin, AUS. Can you please make a reservation from New York, EWR?

ASSISTANT: Sure, we are ravish to help you. Can you please share me your journey dates?

USER: My journey dates on 07/19 and 07/21.

ASSISTANT: Ok, how much can you afford for this reservation?

USER: I can afford up to 500.

ASSISTANT: Ok, please wait a moment. Sorry to inform you that there is no flight available on your dates.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.