You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself William Roberts. I am looking for a flight from JFK to MSP, can you please help me in booking the flight ticket?

ASSISTANT: Sure, I am glad to help you out in booking the flight ticket. Please provide me your trip dates.

USER: Ok, my travel dates are from 02/14 to 02/16.

ASSISTANT: Sorry Roberts, there is no flight with your given intent.

USER: Ok no problem, thank you for your information.

ASSISTANT: Thank you for reaching us.