You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Steven Hill and I want to cancel my reservation as my plan to go for an adventure trip got cancelled.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: It's Ok. Thanks for you response.

ASSISTANT: Thank you for choosing us.