You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist 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 cancel my ticket?

ASSISTANT: Sure, may I know your name?

USER: Andrew Phillips, is my name.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: Oh! Maybe it does not reserved here. Anyway, thanks for your effort.

ASSISTANT: Thank you for choosing us.