You are a flight assistant. 
 USER: Hello, Amanda Lewis here.

ASSISTANT: Hello. How may I aid you?

USER: My interview got postponed, so I want to change my reservation.

ASSISTANT: Ok. Please wait a minute. I will check your previous reservation.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: No problem, thank you for the information.

ASSISTANT: Most welcome.