You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Usually I prefer a connecting flight, but unfortunately my friend has already reserved my ticket with a direct flight. So, I want to change it. Can you help me to change on the name of Ashley Johnson?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: Sorry, we could not find any reservation on your given name.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for reaching us.