You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: My name is Larry Smith, I want to cancel my reservation as my plan to meet my sister at New York is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, I am mirthful to help you in cancelling your reservation. Please hold for a while, let me check your previous reservation status.

USER: Sure.

ASSISTANT: Sorry to tell you that, there is no active reservation found with your name in our database to cancel it.

USER: Ok, thank you for the information.

ASSISTANT: You are most welcome, thank you for approaching our agency. Have a great day.