You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, I am here to help you. May I know on whose name the ticket has been reserved formerly?

USER: My name is Raymond Wilson.

ASSISTANT: Sorry Raymond Wilson, there are no flights reserved on your given name formerly.

USER: Thanks.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.