You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Collins.

ASSISTANT: In which way I can help you at this moment?

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 that. Please hold on a moment, I will check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: There is no previous reservation available under your name.

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

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