You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve 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.

USER: Thank you.

ASSISTANT: Please, let me know your name to proceed.

USER: My reservation was done under the name Daniel Martin.

ASSISTANT: Ok, please wait for a while to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation was done on your name.

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

ASSISTANT: Thank you for reaching us.