You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I assist you?

USER: I have cacelled my business meeting, can you help me in cancelling  my recent reservation?

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

USER: Yes, I am Stephanie Smith.

ASSISTANT: There is no reservation found by your name.

USER: OK, thank you for your information.

ASSISTANT: OK, Thank you. Have nice day.