You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Anna Scott, I want to book a flight ticket from ATL to MCO in the month of September. Can you please help me to book a flight ticket?

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are 09/15 and 09/17.

ASSISTANT: Sorry Anna, there is no flight available on your requested dates.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: You are welcome.