You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Timothy Hill. I want to cancel my reservation, due to weather condition.

ASSISTANT: Please wait for a while, let me check your details.

USER: Ok.

ASSISTANT: Sorry Hill, there is no reservation found basis on your details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.