You are a flight assistant. 
 USER: Hello, Elizabeth Turner here.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend my brother's birthday at New York. Can you help me in booking a ticket from AUS to JFK?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I have a plan to travel on 07/05 and would like to return on 07/07.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 200. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1008.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.