You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Is this Central travels agency?

ASSISTANT: Yes, your in right place.

USER: I have booked a ticket previously to New York-JFK with the help of your service. So I want to cancel my reservation due to heavy snowfall in MSP.

ASSISTANT: Ok, Is there any reason in cancelling a ticket?

USER: The snowfall in MSP is heavy, so my meeting with client in MSP is cancelled.

ASSISTANT: Ok, thank you for letting us to know the reason. May I know your name?

USER: I am Edward Gonzalez.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you reaching us.