You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please cancel my reservation, due to an emergency?

ASSISTANT: Sure, may I know your name?

USER: My name is Robert Campbell.

ASSISTANT: Please hold a moment, let me check with the details.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations found on your given name to cancel.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching our service.