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

ASSISTANT: Hello, how may I assist you?

USER: I am planning to start my own business at Austin. Can you book a ticket for me?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I am planning to start on 08/28 and return back on 08/30.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the fights flying from LAX to AUS.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Take your time.

ASSISTANT: I found a flight for you with UA airline and it costs you 100. Shall I proceed?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thank you for making my booking.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.