You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, may I know your name?

USER: Myself George Phillips.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your given name to change.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for reaching our service.