You are a flight assistant. 
 USER: Hello, I am Susan Edwards.

ASSISTANT: Hello, How can I help you?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you aid me to cancel?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.