You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Karen Robinson.

ASSISTANT: How can I serve you?

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 cancel my recent reservation?

ASSISTANT: Ok. Wait for awhile.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a reservation on your name. It got cancelled.

USER: Ok, thank you for cancelling my ticket.

ASSISTANT: Thank you.