You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grand father. Can you please help me with cancellation on the name of Charles Thomas?

ASSISTANT: Sure, may I know your good name?

USER: You can check my reservation on the given name.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.