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 reservation. Can you help me with this?

ASSISTANT: Sure, please wait for a minute. May I know your good name?

USER: Sure, I am Cynthia Allen.

ASSISTANT: There is no reservation found with your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for reaching us.