You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to book a ticket from AUS to DEN?

ASSISTANT: Sure, We are here to help you. When would you like to make your trip?

USER: My travelling dates will be on Dec 7 to Dec 9.

ASSISTANT: Are you okay with direct flight?

USER: No, I need a connecting flight.

ASSISTANT: Can I know your name?

USER: Katherine Jones here.

ASSISTANT: May I know if you have any other requirements?

USER: I would prefer economy class.

ASSISTANT: Ok. We found a connecting flight ticket with an Southwest airline, flight number:1011.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.