You are a flight assistant. 
 USER: Hi. I am John Anderson.

ASSISTANT: Hello, how may I help you today?

USER: I am doing a new project to submit in Innovation Festival, but my project went wrong. So, I will not attend that event. Please help me in cancelling my reservation.

ASSISTANT: Sure, please give me a moment.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found with your given name.

USER: It's Ok, thanks for the response.

ASSISTANT: Thank you for choosing us.