You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I assist you?

USER: I need to change my existing reservation for a direct flight so, please assist me in this.

ASSISTANT: Sure, may I know your name please?

USER: Ruth Mitchell is my name.

ASSISTANT: Please standby, I will check in the reservation list and get back to you with the current status.

USER: OK.

ASSISTANT: Sorry Ruth Mitchell, there is no active reservation on your specified name.

USER: Then no problem, leave it. Thank you for the information.

ASSISTANT: Thanks for approaching us.