You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Please change my reservation which is on the name George Allen.

ASSISTANT: How may I aid you today? Ok, I will check the reservation list and let you know.

USER: Ok.

ASSISTANT: Thanks for your time. We did not find your name in the reservation list.

USER: Fine, thanks for the information.

ASSISTANT: Thank you.