You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you for the day?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, may I know your name.

USER: My name is Edward Anderson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for opting us.