You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Virginia Evans.

ASSISTANT: How can I assist you at this moment?

USER: I want to change my recent reservation. Can you help me out?

ASSISTANT: Sure, I am here to help you with that.

USER: Ok.

ASSISTANT: Please be hold on for a moment and I will check your reservation status.

USER: Take your time.

ASSISTANT: Sorry Virginia Evans, no reservation has found under your name to change.

USER: That's ok. Thank you for checking.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.