You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My scheduled examination dates has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please give me a minute. Can I know your name for checking the reservation status?

USER: Sure, my name is Pamela Brown.

ASSISTANT: Sorry Pamela, there is no reservation available on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are welcome.