You are a flight assistant. 
 USER: Hello. My name is Ashley Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from AUS to MCO, could you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My preferable dates are from 12/09 to 12/11.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: That's ok. Thank you.

ASSISTANT: You are welcome.