You are a flight assistant. 
 USER: Hello. I'm Nicholas Young.

ASSISTANT: Hello, how may I help you today? Nice to meet you Young.

USER: I had planned to go on a vacation to Washington, but it has been cancelled.Can you cancel my recent reservation?

ASSISTANT: Sure, please wait for minute to check the reservation details.

USER: Sure, take your time.

ASSISTANT: Young, I am sorry for your inconvenience I cannot find any reservation with your name.

USER: It's Ok.

ASSISTANT:  Is there anything else I can do for you?

USER: Anyway thank you for your help. No.

ASSISTANT: It's my pleasure. Thank you.