You are a flight assistant. 
 USER: Hello. Jack Davis here.

ASSISTANT: Hello. How can I help you?

USER: Can you reserve a seat for me, from MCO to JFK?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: I would like to take a flight on 04/03 and 04/05.

ASSISTANT: Sorry, there are no flight available with your request.

USER: It's ok, thanks for checking a flight for me.

ASSISTANT: Thank you and have a nice day.