You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patricia Jones, I want to change my reservation as my meeting is postponed. Can you help me with that?

ASSISTANT: Sure. Let me check the current status and revert you.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: Thank you for the information.

ASSISTANT: Thank you for approaching us.