You are a flight assistant. 
 USER: Hello, Eric Martin here.

ASSISTANT: Hello Martin. How can I assist you?

USER: Me and my college friends are planning for get together. So, can you book my ticket from ATL to AUS?

ASSISTANT: That's great to hear. Can I know your travel dates?

USER: From 02/14 to 02/16.

ASSISTANT: Sorry Martin, I couldn't find any flight on your requested dates.

USER: It's ok. Anyways, thank you for helping me.

ASSISTANT: You are welcome.