You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I need to cancel my recent reservation owing to an emergency.

ASSISTANT: Ok, I am glad to help you with that. Can you I know your good name?

USER: My name is Larry Adams.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: We are regret to say that, there is no reservation found on your name in our database.

USER: Thank you.

ASSISTANT: Thank you for opting us.