You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I am planning for a round trip from AUS, could you book my ticket?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My trip dates are 10/03 and 10/05.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight 1003 in UA airline has the price 200. Can I proceed?

USER: Please proceed.

ASSISTANT: Before proceeding, may I know your name please?

USER: David Evans here.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.