You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Richard Lewis. I like to travelling  on MCO to JFK, can you help in flight?

ASSISTANT: Can you please let me know your travelling dates?

USER: My date of travelling is on 02/16 to 02/18.

ASSISTANT: Ok, thanks for your details. There is no flight for you.

USER: That's ok.

ASSISTANT: Welcome, have a nice day.