You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I have made an reservation earlier for a trip to New York, but unfortunately I met with an accident. So, I need to cancel my plan. Can you help me with cancellation?

ASSISTANT: Sure, May I know your name?

USER:  Paul Wilson, is my name.

ASSISTANT: Please wait a second.

USER: Sure, take your time.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's ok, not a problem. Thanks for your kind information.

ASSISTANT: Thank you for opting us.