You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Catherine Smith here, looking for flights available from AUS to MCO, can you please help me?

ASSISTANT: May I know your travel dates?

USER: I would like to start on 09/23 and return on 09/25.

ASSISTANT: There is no flight available on 9/23 to MCO.

USER: No issues, thank you for your service.

ASSISTANT: You are welcome.