You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency I had to request for this cancellation. Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Ryan Wilson.

ASSISTANT: Sorry, there was no reservation found with your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for choosing us.