You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

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 please help me with this?

ASSISTANT: Sure, we are blissful to aid you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, I am Thomas Evans.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we are sorry to inform you that no reservation was found on your specified name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for visiting us.