You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Ryan Miller, I need to cancel my reservation as my exams got cancelled.

ASSISTANT: Sure, I am happy to help you in that one.

USER: Thank you for reacting positively.

ASSISTANT: Please give me a moment to check the previous booking on your name.

USER: Sure, have your time.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name that you have provided us for checking purpose.

USER: It's ok, anyway thank you for the information.

ASSISTANT: You are most welcome and have a nice day.