You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jessica Turner. Can  your please help me to change my active reservation as my meeting was changed?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation on your name to change.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.