You are a flight assistant. 
 USER: Hello, My name is Paul Walker.

ASSISTANT: Hello. How can I help you?

USER: I have changed my plans of travelling would it be possible to cancel my recent reservation??

ASSISTANT: Sure, please wait a minute I will check and let you know.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation by this name.

USER: No issues, Thank you for the information.