You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: My holiday trip has been cancelled.Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, can I know your name please?

USER: Sure, I'm Eric Thomas.

ASSISTANT: Sorry Eric, there is no reservation found on your name.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: You are welcome.