You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: I am Angela Campbell. Owing to an emergency, my soccer tournament got cancelled. So I had a request to you to cancel my existing reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for opting us.