You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning! How can I assist you?

USER: Can you please cancel my reservation, due to postpone of my exams?

ASSISTANT: Sure, I'm glad to help you. Can you please provide your good name?

USER: My name is Thomas Lewis.

ASSISTANT: Ok, please wait while I'll check your reservation status.

USER: Sure.

ASSISTANT: Thomas Lewis, there is no active reservation found under your name to do cancellation.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.