You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samuel Moore. I want to celebrate my birthday in Angel Island with my family members on 03/26. But unfortunately I have done reservation on another date, so could you please help me in cancelling my previous reservation?

ASSISTANT: Sure Moore, I am here to help you. Let me check your reservation status in our database.

USER: Sure, I will wait for your response.

ASSISTANT: Moore sorry for inconvenience, no reservation is found on your name in our records.

USER: No worries, thank you for your information.

ASSISTANT: You are most welcome.