You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you. May I know your name please to check your reservation status?

USER: My name is Timothy Green.

ASSISTANT: Timothy, no reservation has been found on your name in our database.

USER: Its ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.