You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to spend some more days with my brother, so I just want to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am happy to help you. May I know your name please?

USER: My name is Gary Parker.

ASSISTANT: Ok Gary, hold on for a moment. Let me check.

USER: Sure, take your time.

ASSISTANT: Sorry Gary, there are no flights reserved on your name.

USER: Ok, no problem, thank you for your information.

ASSISTANT: It's my job Gary. Thank you for choosing us. Have a good day.

USER: Thank you.