You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I'm Raymond King. I am planning to travels from MCO to PHX for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: Sure, my departure date is on 09/06 and the return date is on 09/08.

ASSISTANT: Sorry, there is no flight available at your request.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: You are welcome.