You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Samuel White, can you cancel the flight ticket which I had done recently?

ASSISTANT: Sure, I am happy to help you with that.

USER: Ok, thank you.

ASSISTANT: Please give me a moment to check your reservation status.

USER: That is fine. please take the time you need.

ASSISTANT: Sorry Samuel, we couldn't find the reservation on your name to in our database.

USER: Ok, may be my friend had cancelled already. Thank you for assisting me.

ASSISTANT: Thank you for approaching us.