You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you?

USER: I'm Kenneth Rodriguez here, and I just want to cancel my recently done reservation. Can you please help me?

ASSISTANT: Sure, I will help you with that?

USER: Ok.

ASSISTANT: I am sorry, I cannot find any reservation on your name. Thank you.

USER: Ok, that's fine. Thank you, for contacting us.

ASSISTANT: Your welcome.