You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Matthew Thomas. I am planning to attend business meeting at PHL, can you please help me with booking a flight ticket from MSP?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, I would like to take off on 12/26 and return back on 12/28.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: You are welcome.