You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Myself Dennis Gonzalez. I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I will help you with that. Please wait a moment, I will check your previous reservation status.

USER: I will be waiting for your response.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: Thank you very much for cancelling my reservation.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are welcome.