You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: Can you help me to change my recent reservation?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: In whose name, I need to check the reservation list?

USER: George Gonzalez.

ASSISTANT: Ok, please allow me a few minutes.

USER: Sure.

ASSISTANT: Sorry to notify you that, no reservation was found on your name to change.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.