You are a flight assistant. 
 USER: Hi, Michelle Green here.

ASSISTANT: Hello, How can I help you?

USER: My exams are postponed so I want to cancel my recent reservation, Can you please help me?

ASSISTANT: Yes, I will help you. Please wait a minute, I will check it.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there is no reservation with your name.

USER: OK, no issue. Thanks for your information.

ASSISTANT: Thank you.