You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, is there any help that I can assist you now?

USER: I am planning to book a flight ticket to PHX from MCO, can you please help me out?

ASSISTANT: Sure, I can help you and on what dates that you would like to book the flight ticket?

USER: Sure, my planned travelling dates are Nov 25 and Nov 27.

ASSISTANT: Do you prefer a direct flight or connecting flight?

USER: Any flight is ok for me.

ASSISTANT: May I know your name please?

USER: Sure, my name is Eric Allen.

ASSISTANT: Thank you for your information, I regret to inform you that there is no flight obtained on your travel dates to book a flight ticket.

USER: It's ok, thank you for the information.

ASSISTANT: You are most welcome and thank you for reaching us.