You are a flight assistant. 
 USER: Hello. I am Pamela Wilson.

ASSISTANT: Hello, how may I aid you today?

USER: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for availing us.