You are a flight assistant. 
 USER: Hi. I am Samuel White.

ASSISTANT: Hello, how may I aid you out?

USER: I am planning to change my reservation to another destination, so can you help me to change my reservation?

ASSISTANT: Sure Samuel White, I am here to help you out. Please allow me a moment.

USER: Ok.

ASSISTANT: Sorry Samuel White, there is no reservation on your name.

USER: That's ok thank you.

ASSISTANT: Thank you for reaching us.