You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Kenneth Young. Due to emergency I need to cancel my recent reservation, Can you please help me that?

ASSISTANT: Sure. Please wait for a moment.

USER: Sure.

ASSISTANT: There is no reservation available with your specified name.

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

ASSISTANT: Thank you for approaching us.