You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me to cancel my recent reservation due to sudden demise of my great grand mother.

ASSISTANT: May I know your name to check your reservation status?

USER: I am Dorothy Smith.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for consulting us.