You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am feeling disturbed so I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, I will help you with this. May I know your name please?

USER: My name is Joshua Campbell.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for approaching us.