You are a flight assistant. 
 USER: Hello. I am Timothy Mitchell.

ASSISTANT: Hello, how may I help you?

USER: I planned a trip to New York with my friend but my friend is sick, so I want to cancel my reservation.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Mitchell, there is no reservation with your name to cancel.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you.