You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Hall.

ASSISTANT: Hall, how can I aid you today?

USER: I planned to attend for a meeting in PHX, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I prefer to travel on Jul 31 and Aug 02.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 200. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been booked with 1026 flight number.

USER: Thank you for your assistance.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.