You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due to sudden demise of my great grandfather, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Gregory Thompson.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us,.