You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, may I know your good name?

USER: Sure, I am George Lee.

ASSISTANT: We found a reservation on your good name. It has been cancelled successfully.

USER: Ok. Thank you for your service.

ASSISTANT: Thank you for reaching us.