You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Virginia Robinson. My business meeting has been postponed. So, I would like to change my existing reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Virginia, there is no reservation found under your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are welcome. Thank you for contacting us.