You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: Please change my reservation due to change in my plan which is with the name James Lewis.

ASSISTANT: Sure, please wait for a minute I will revert to you with current status.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you.