You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist your now?

USER: I am Virginia William. Please help me to change my active reservation as my meeting was changed.

ASSISTANT: Ok, I will assist you with that.

USER: Ok.

ASSISTANT: Sorry as per your need there is no flight ticket found on your name to modify.

USER: Ok, no problem.

ASSISTANT: Ok, thank you for choosing our agency.

USER: Thank you.