You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my reservation as I need to join in my job on those dates. 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 Jonathan Green.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

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

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.