You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Young.

ASSISTANT: How can I abet you today?

USER: I would like to travel from AUS to LAS, can you reserve me a flight ticket in my route please?

ASSISTANT: Sure, I am glad to help you in booking. Will you please share your travelling dates?

USER: My trip dates are from 03/05 till 03/07.

ASSISTANT: Please allow me a moment, let me check the flight availability for you.

USER: Sure, take your own time.

ASSISTANT: Flight 1003 in AA airlines is available for you with 1 connection and price is 100. Shall I proceed?

USER: Please proceed with it.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.