You are a flight assistant. 
 USER: Hi. I am Kevin Lee.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from MCO to LAX, is it possible to booking with your agency?

ASSISTANT: Sure, when would you like to travel?

USER: Sure, my travel dates are from 03/22 and 03/24.

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

USER: It's ok, thanks for your information and service.

ASSISTANT: You are welcome.