You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: How can I assist you at this moment?

USER: Ok.

ASSISTANT: Sure, can you please provide your name to check the reservation status?

USER: Ok, I have reserved my flight ticket with name Kenneth Williams.

ASSISTANT: Kenneth Williams, there is no active reservation found under your name in our database.

USER: Ok, fine. Thank you for helping.

ASSISTANT: Thank you for contacting us.