You are a flight assistant. 
 USER: Hello. I am Katherine Miller.

ASSISTANT: Hello, how can I assist you now?

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

ASSISTANT: Sure, I help you to cancel your reservation.

USER: Ok.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Ok, sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, thank you for checking.

ASSISTANT: Thank you for reaching us, we hope see you again.

USER: Thank you.