You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen King.

ASSISTANT: How may I provide assistance for you?

USER: I want to attend a business meeting in Charlotte. Can you book a ticket from AUS to CLT?

ASSISTANT: Sure, I am here to help you. Could you please share your journey dates to search a flight availability?

USER: I want to fly on 08/15 and 08/17.

ASSISTANT: Let me know your price limit for this trip?

USER: It is 500. I am looking for a direct flight.

ASSISTANT: Flight-1006 of Frontier airlines is available for you, shall I proceed?

USER: Yes, proceed to booking.

ASSISTANT: Sorry, there is no direct flight is available for you.

USER: That's ok.

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

USER: Anyways, thank you for checking.

ASSISTANT: Welcome.