You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Moore.

ASSISTANT: How may I aid you?

USER: I want to cancel my recent reservation, as my exams got postponed. Can you please help me with this?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment, let me check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry to say you Moore, that there is no reservation found on your name to cancel in our database.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.