You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Nelson.

ASSISTANT: Betty Nelson, how can I aid you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Hold on for a moment. Let me check in our records.

USER: Sure.

ASSISTANT: Sorry Betty Nelson, there are no flights reserved on your given name formerly.

USER: Not an issue, thank you for your help.

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