You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket from AUS to DEN, can you help me in booking a flight ticket?

ASSISTANT: Sure, please provide your trip dates to reserve your seat.

USER: Sure, my travelling dates are Nov 12 and Nov 14.

ASSISTANT: May I know your name?

USER: Sure, Steven Campbell here.

ASSISTANT: Do you need any connections between your trip?

USER: I prefer maximum one connection.

ASSISTANT: Which type of class you are looking for?

USER: I am comfortable with any class.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: We have a connecting flight operated by American Airlines with a fare of 100. Shall I book your seat in this flight-1018?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us.