You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Sandra Green. Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, I am here to do that.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Sorry, we have not found any reservation on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you for your information.