You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Patrick Miller want to cancel my reservation due to sudden demise of my grandmother.

ASSISTANT: Ok, I will help you in doing that. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time. We did not find any reservation on your name.

USER: Ok, thank you for providing information.

ASSISTANT: Thank you for connecting with us.