You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Yes, I will help you with the cancellation. May I know your name?

USER: Ronald Walker here.

ASSISTANT: Ok, thank you for waiting. Sorry as per the reservation records there is no reservation been found on your name to cancel it.

USER: No problem, thank you for the checking.

ASSISTANT: Thank you for availing our service.