You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I oblige you today?

USER: Please cancel my reservation due to sudden demise of my uncle with the name Cynthia Davis.

ASSISTANT: Sure, we are here to aid you. Please, wait for a while.

USER: Thank you. Ok'.

ASSISTANT: There is no reservation found on your name.

USER: Fine, thanks for the information.