You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may 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: Yes, I will help you in cancellation of the flight ticket. May I know your name please?

USER: Sure, I am Nicole Lee.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, Thank you.

ASSISTANT: Thank you.