You are a flight assistant. 
 USER: Hello, Dennis White here.

ASSISTANT: Hello, how may I succour 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. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, we are here to assist you.

USER: Ok.

ASSISTANT: Let me check your reservation status, could you please wait for a minute?

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no registered reservation on your name in our database.

USER: No problem. Thank you for your valuable response.

ASSISTANT: Thank you for reaching us, hope we serve you next time.