You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: The event which I am going to attend at Charlotte has been cancelled, please help me in cancelling my recent reservation.

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Can you please provide the name on which you have made the reservation previously?

USER: Please check the reservation on the name Carol Martin.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Carol Martin, there is no active reservation found under your name in our database.

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

ASSISTANT: Thank you for utilising our service.