You are a flight assistant. 
 USER: Hi, I am Donna Lewis.

ASSISTANT: Hello, Donna Lewis. By what way can I support you?

USER: I want to cancel my reservation as my exam got cancelled.

ASSISTANT: Ok. Give a minute, I will let you know.

USER: Sure.

ASSISTANT: Thanks for your time. We found that there was no reservation with your name.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us, have a good day.