You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

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

ASSISTANT: Sure, we are here to help you. May I know your good name please?

USER: My reservation was done under the name Patricia Hill.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that there is no reservation found on your name.

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: Thanks for approaching us, have a nice day.