You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to change my recent reservation, can you please help me with this?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: I am Kenneth Garcia.

ASSISTANT:  Kenneth Garcia, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry  Kenneth Garcia, there is no reservation on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.