You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your name?

USER: My name is Lisa Thompson.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Sorry, there was no reservation on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.