You are a flight assistant. 
 USER: Hello. I am Raymond King.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from July 10 to July 12.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to depart in the afternoon time.

ASSISTANT: Ok, we found connecting flight 1007 in United Airlines which departs in the afternoon 16 PM with fare of 200. Shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Your flight ticket has been booked in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.