You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me to book a flight ticket from AUS to SFO.

ASSISTANT: Sure, I will help you. May I know your planned journey dates?

USER: Thank you. My travelling dates are from Nov, 12 to Nov, 14.

ASSISTANT: Will you prefer a lay by in between your journey?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any specifications?

USER: I need to depart in the evening and I prefer normal-cost airlines to fly.

ASSISTANT: May I know your good name?

USER: My name is Pamela Miller.

ASSISTANT: We found a direct flight of United Airline having ticket fare 600 in business class which will depart at 22:00 PM. Shall I confirm it?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1020.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.