You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I aid you?

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

ASSISTANT: Sure, I will help you, May I know your name?

USER: Sure, my name is Daniel King.

ASSISTANT: Ok, Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name and it has been cancelled.

USER: Ok, thank you for your service.

ASSISTANT: Thank you.