You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nancy Lee. I am planning to visit a new place from AUS to DEN, can you help me out?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My travelling dates are 11/06 to 11/08.

ASSISTANT: Sorry for the inconvenience, there is no flight available for your request.

USER: Make sure my connection should be 1. It's ok, no problem.

ASSISTANT: Thank you for your positive response.

USER: Thank you for your help.