You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this minute?

USER: I need to travel PHX and MCO, can you please reserve flight ticket?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: My travelling dates are Feb,05 and Feb,07.

ASSISTANT: Ok, do you have any other requirements?

USER: I need business class flight ticket with single connection is required.

ASSISTANT: Can I know your name?

USER: Myself Lisa Allen.,.

ASSISTANT: May I know your connection limit?

USER: I have already mentioned.

ASSISTANT: Sorry to say that, there are no flight's available based on your journey details.

USER: That's ok, thank you for searching flights.

ASSISTANT: Thank you for approaching us.