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 please help me in that?

ASSISTANT: Sure, please share your good name?

USER: My name is Stephanie Moore.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.