You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from me?

USER:  I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you help me?

ASSISTANT: Ok, I can help you better. May I know your name to check your reservation status.

USER: Linda Davis here.

ASSISTANT: Sorry to inform you Linda Davis, there is no reservation found with your name in our records.

USER: No problem, Thank you.

ASSISTANT: Thanks for availing our services, have a nice day.