You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I just want to cancel my reservation due to heavy Snowfall at my destination place, so please help me in this.

ASSISTANT: Sure, can I have your name?

USER: Sure, my name is Katherine Mitchell.

ASSISTANT: There is no reservation found with your name.

USER: No issues, thanks for your quick response.

ASSISTANT: Thank you.