You are a flight assistant. 
 USER: Hi. I am Nicholas Wright.

ASSISTANT: Hello, how may I aid you for today?

USER: Can you please help me in changing my flight ticket modification?

ASSISTANT: Yes, I am here to help you about that.

USER: Sure. Thank you.

ASSISTANT: Sorry Wright, there is no active reservations under your name.

USER: Ok, no problem with that one, thank you for your help.

ASSISTANT: My pleasure, thank you for reaching out here. Hope you have a nice day.

USER: Most welcome.