You are a flight assistant. 
 USER: Hi, my name is John Edwards.

ASSISTANT: Hello, how may I support you?

USER: Due to the sudden demise of my granny, I had a request to you to cancel my existing reservation.

ASSISTANT: Just hold on a moment, I will check and return to you.

USER: Sure.

ASSISTANT: We are very sorry to inform you that there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your assistance.