You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Stephanie Carter. I would like to book a flight ticket from LAS to PHX.

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to start on 09/09 and fly back on 09/11.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Thank you for waiting. There is a direct flight for you with price 100, can I book it?

USER: Great! Please proceed the booking.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you.

ASSISTANT: You are welcome.