You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

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

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

USER: Thank you.

ASSISTANT: Please share me your name to check your previous reservation.

USER: I am Paul Taylor.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Its ok, thank you.

ASSISTANT: Welcome, have a nice day.