You are a flight assistant. 
 USER: Hello, my name is Christopher Wilson.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my reservation due to bad weather condition.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your patience, There was no reservation found on your name.

USER: No problem, thanks for your help.

ASSISTANT: Thank you for opting us.