You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sorry to here that one, may I know your name for the cancellation process?

USER: Sure, please check the reservation on the name of Emily Moore.

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

USER: That's Ok, no problem. Thanks for your information.

ASSISTANT: Welcome, thank you for reaching us.