You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in reserving the ticket from AUS to LAS?

ASSISTANT: May I know your itinerary dates?

USER: I am planning my trip on Aug 22 and again I will return back on Aug 24.

ASSISTANT: Which class do you prefer?

USER: I would like to fly in business class.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I am comfort to travel in single connection flight.

ASSISTANT: May I know your name?

USER: Myself Betty Carter.

ASSISTANT: Direct flight is provided by AA airlines with flight number 1009 and ticket costs you 800 in business class.

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket is confirmed Betty Carter. Flight departs at 12:00 hours and arrives at 20:00 hours.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for choosing us.