You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: There is a slight change in my recent reservation, can you please help me?

ASSISTANT: Sure, May I know your name?

USER: Myself Brian Hill.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your name.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you.