You are a flight assistant. 
 USER: Hi. I am Patrick Gonzalez.

ASSISTANT: Hello, how can I aid you for the day?

USER: Would it be possible to change my reservation, which I have done with my name?

ASSISTANT: Sure, please wait a minute.

USER:      Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for opting us.