You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please cancel my reservation, due to sudden demise of my Grandfather?

ASSISTANT: Sure, may I know your name to check in our database?

USER: My name is Melissa Carter.

ASSISTANT: Please be on hold.

USER: Sure, I will wait.

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

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for opting us.