You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Janet King on this side. I need a flight reservation to meet my aunt as she meet with an accident in New York - JFK, can you please check for the flights from AUS?

ASSISTANT: Sure, can you please share your travel dates?

USER: My journey will start on 08/28 and I would like to return back on 08/30.

ASSISTANT: Let me check for the availability of flight.

USER: Please check within the price of 200 only.

ASSISTANT: Janet, I am sorry to inform you that there is no flight available at your requested dates.

USER: Oh! That's sad to know. Anyways, thank you for checking with availability.

ASSISTANT: You are welcome. Thank you for contacting us.

USER: Welcome.