You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Steven Baker.

ASSISTANT: Ok.

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

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Ok.

ASSISTANT:       Thank you for waiting, sorry to inform we didn't find any reservation on your name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for opting us, have a nice day.