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 with that?

ASSISTANT: Sure, we are here to assist you. To check with the reservation, May I know your name?

USER: Sure, my name is Barbara Carter.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, No reservation was found on your name.

USER: Ok, not an issue. Thanks for your response.

ASSISTANT: Thank you for reaching us.