You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: Ok, I am Robert Martinez.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us.