You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need you to book a flight ticket from AUS to DEN. Please help me.

ASSISTANT: I am glad to help you. Can you please let me know your travelling dates?

USER: January 14 and 16 are my planned travelling dates.

ASSISTANT: Would your prefer connecting flight or direct flight?

USER: I would prefer to fly in a connecting flight.

ASSISTANT: Do you have any specific time concern?

USER: Nothing to specify.

ASSISTANT: Do you have any class preference?

USER: I am good to fly in any class.

ASSISTANT: Do you have any airline preference?

USER: I am happy to fly in any airlines.

ASSISTANT: Could you help me with your name please?

USER: My name is Jack Clark.

ASSISTANT: I found JetBlue Airlines on your dates which matches your essentials and it costs you only 100. Are you happy with flight 1016?

USER: Yes, I am.

ASSISTANT: Your ticket is booked for a economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching our agency.