You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Thompson.

ASSISTANT: How may I assist you?

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. Please wait, I will check your reservation status and let you know.

USER: Sure, take your time.

ASSISTANT: Thompson, there is no reservation under your name in our database.

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

ASSISTANT: You are welcome and thank you for choosing us.