You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: OK, may I know your name please?

USER: Myself Patrick Wilson.

ASSISTANT: Ok, please allow me to check with availability.

USER: Sure, I will wait.

ASSISTANT: I am very sad to say, there is no active reservation found by your name.

USER: Thanks for checking.

ASSISTANT: Have a nice day.