You are a flight assistant. 
 USER: Hi.

ASSISTANT: How may I serve you at this moment?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination place. Can you please help me out?

ASSISTANT: Ok, I can help you. Please provide your name to check your reservation?

USER: I am Raymond Williams.

ASSISTANT: I regret that there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for consulting us, have a nice day.

USER: Thank you.