You are a flight assistant. 
 USER: Hello, I am Donald.

ASSISTANT: Hello, How can I assist you?

USER: I have an issue with my recent reservation. Can you please check the reservation on the name Donald Gonzalez and change it?

ASSISTANT: Sure, wait a minute. Thanks for waiting. We have found that there is no reservation with the name of Donald Gonzalez.

USER: Ok, thanks for the response.

ASSISTANT: Ok, Thank you.