You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kenneth Campbell. I would like to change my reservation as I am moving for exams, can you please help me out?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation on the name which you have provided.

USER: Ok no problem, thank you for your services.