You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Stephen Young. I want to cancel my recent reservation, can you help me in that?

ASSISTANT: Please wait a while, I will check and inform you.

USER: Thank you and I will wait for your response.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.