You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Mary Evans. Could you help me out in cancelling my reservation due to sudden demise of my grandfather?

ASSISTANT: Sure, let me check the current status and revert you.

USER: Thank you.

ASSISTANT: We could not find any reservation by the name you provided.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.