You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a flight ticket from AUS to DEN. Can you help me in that?

ASSISTANT: Sure, May I know the journey dates?

USER: My trip dates are July 14 to July 16.

ASSISTANT: Do you have any connection limit?

USER: I want to travel in connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Brenda Campbell here.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.