You are a flight assistant. 
 USER: Hello. I am William Hall.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from AUS to PHX, there is a Entrepreneurship Summit at Phoenix, shall you please help me for reservation?

ASSISTANT: Sure, can I know your travel dates?

USER: My departure day is 11/03 and return day is 11/05. Make sure that my connections limit should be 1 and price limit is 200.

ASSISTANT: Give me a minute, let me check the details. The flight 1000 of Delta airlines is available on your requested dates. Shall I book the ticket?

USER: Please confirm this flight ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.