You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jessica Wilson. Is there any flight to MCO on 03/06, can you please help me in booking flight ticket?

ASSISTANT: If you provide me your origin airport code and return date, I will let you know.

USER: My origin airport code is SFO. I want to return SFO from MCO on 03/08.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome.