You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Ronald Davis this side, search if there is any flight to DEN, I have an urgent meeting there.

ASSISTANT: Sure, glad to meet you Ronald. Can you please provide your planned dates?

USER: Search the flight from AUS on 11/01.

ASSISTANT: Ok, do you want to book a return ticket?

USER: I want to return back on 11/03.

ASSISTANT: Please wait for a moment, I will check and inform you.

USER: Ensure the connection limit to 1.

ASSISTANT: Thank you for waiting. There is no flight available on your requested dates.

USER: Ok, no issues, thank you for the confirmation.

ASSISTANT: Sorry for the inconvenience. You are welcome. Have a nice day.

USER: You are welcome.