You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you today?

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

ASSISTANT: Sure, I can help you in that. May I know your good name please?

USER: My name is Robert Anderson.

ASSISTANT: Ok, please wait for a moments.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Thanks.

ASSISTANT: Thanks for opting us. wish you a happy day.