You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, I am gleeful to help you with that. May I know your name please?

USER: I am Kimberly Parker.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our records to change.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.