You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Lopez. I need to cancel my recent reservation, as my exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry Carol Lopez, no reservation found on your name in our record list.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.