You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Carol Wright. Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: There is no reservation on your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.