You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles King here.

ASSISTANT: How can I assist you?

USER: I would like to visit Orlando for a business meeting, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, I am willing to travel on 10/02 and please book my return ticket on 10/04.

ASSISTANT: Please share your airport codes.

USER: My nearest genesis airport code is JFK and my destination airport code is MCO.

ASSISTANT: Give me a minute.

USER: Sure, take your time.

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

USER: Oh! So sad to hear. Anyway, thank you for the information.

ASSISTANT: You are welcome.