You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Alexander King. I have a plan to attend a live music concert in AUS, can you please find a flight from JFK?

ASSISTANT: Sure, I will help you. Can you please help me with your travelling dates to check the flight availability?

USER: Sure, my travelling dates are 08/17 and 08/19.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry King, no flight is available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.