You are a flight assistant. 
 USER: Hello. I am Kevin Williams.

ASSISTANT: Hello, how can I help you today?

USER: Owing to an emergency, I would like to cancel my recent reservation. Could you please help me?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.