You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your trip dates please?

USER: I will start on June 13 and return on June 15.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need 1 stop over and my return time must be in the afternoon.

ASSISTANT: Can I know your name please?

USER: I am Kenneth Harris.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: That's alright, thanks for your assistance.

ASSISTANT: Most welcome.