You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

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

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation status on your name in our database.

USER: My reservation was done under the name Janet Martinez.

ASSISTANT: Sorry Janet Martinez, there is no reservation on your name in our database.

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

ASSISTANT: Thank you for reaching us.