You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: `My name is William Hill. Can you please book me a plane ticket from CLT to AUS?

ASSISTANT: Sure, I will help you. Can you please tell me your trip dates?

USER: Sure, my trip dates are from 04/30 to 05/02.

ASSISTANT: Ok, please be online for a while.

USER: Ok.

ASSISTANT: There is a flight-1012 available with Frontier airlines and the ticket fare is 200 only. Shall I book the ticket?

USER: If the connection limit is 0, please confirm my reservation.

ASSISTANT: Ok, let me check.

USER: OK.

ASSISTANT: I found direct flight with UA airlines, shall I book the ticket?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with the flight-1020 and have a nice day.

USER: Thank you.

ASSISTANT: Thank you for choosing us.