You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: My name is Alexander Brown.

ASSISTANT: Sorry as per your concern I can not cancel your reservation, as your reservation is not found as per our records for cancel. Welcome, thank you for reaching us.