You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Clark.

ASSISTANT: What help that I can do for you?

USER: I am looking to book a flight ticket from AUS to CLT. Can you please find the flight?

ASSISTANT: Sure, may I know your journey dates?

USER: Ok, I want to travel on the dates of 03/21 and 03/23.

ASSISTANT: Please wait for a moment.

USER: Please make sure that the connection limit is 0.

ASSISTANT: No flights that are providing as per your requested information.

USER: It's ok, thank you for searching the flights for me.

ASSISTANT: You are welcome and thank you for approaching us.