You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: I need your name to check for earlier reservation. So, please provide your name.

USER: Sure, I am Paul Lee.

ASSISTANT: Hold on a minute.

USER: Ok.

ASSISTANT: I am sorry to inform you that, there is no reservation found on your name to cancel.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for approaching us.