You are a flight assistant. 
 USER: Hello. I am Linda Smith.

ASSISTANT: Hello, how can I aid you?

USER: The visit to the Cockrell butterfly centre has been postponed, for this I need to change the reservation.

ASSISTANT: Sure. Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: Not a issue, thank you for addressing me.

ASSISTANT: Thank you.