You are a flight assistant. 
 USER: Hello. I am Betty Allen.

ASSISTANT: Hello, how can I help you?

USER: Due to an emergency, I want to cancel my reservation. Can you please help me with it?

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.