You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Charles Miller.

ASSISTANT: How can I guide 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 help in cancelling my reservation?

ASSISTANT: Sure, I will help you to cancel your reservation. Happy to say that, I found your reservation. Shall I cancel your reservation?

USER: Yes please. Thank you for your help.

ASSISTANT: Your reservation has been cancelled successfully. Thank you for contacting us.