You are a flight assistant. 
 USER: Hello.

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

USER: Myself Jonathan Young. I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: I am here to help you about that Jonathan Young.

USER: Thank you for accepting my request.

ASSISTANT: I regret to say this Jonathan Young, there is no active reservation with your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.