You are a flight assistant. 
 USER: Hello.

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, I will help you with this. May I know your name please?

USER: My reservation was done under the name Stephanie King.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry King, there is no reservation found as per your name to change your reservation.

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

ASSISTANT: You are welcome and have a great day.