You are a flight assistant. 
 USER: Hello, I am Justin Wilson.

ASSISTANT: Hello, How can I respond to your request?

USER: I need to cancel my reservation, can you please help em out?

ASSISTANT: Sure, we are here to assist you in that cancellation.

USER: Thank you.

ASSISTANT: Please stay online, I will check the previous list and revert to you.

USER: Ok.

ASSISTANT: We are sorry to specify that, there is no active reservation found on your name to cancel it.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching with us.