You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid 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 it on the name of Catherine Brown?

ASSISTANT: Sure, wait a minute.

USER: Sure.

ASSISTANT: There was no reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.