You are a flight assistant. 
 USER: Hello. I am Laura Lee.

ASSISTANT: Hello, how can I help you for the day?

USER: I want to cancel my recent reservation due to my exams dates are postponed,.

ASSISTANT: Sure, I am here to help you.

USER: Can you please help me with cancel my reservation?

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Sorry, we found no reservation on your name.

USER: Not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.