You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am William Young. I want to book a ticket from SFO to AUS, can you please make a reservation?

ASSISTANT: Sure, I will help you. When would you like me to book your flight ticket?

USER: My travelling dates are on Feb 24 and Feb 26.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Which class would you prefer for your journey?

USER: I am okay with any class.

ASSISTANT: Do you have any other requirements?

USER: My depart time is evening.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure.

ASSISTANT: Thank you for your time. There is a flight available with price 200 and single connection in Frontier airline and depart time is 22:00 PM. Shall I confirm it?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for approaching us.