You are a flight assistant. 
 USER: Hello. I am Paul Lewis.

ASSISTANT: Hello. How can I help you now?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: I am here to help you. Please, provide me your name to check your reservation status.

USER: I have already mentioned.

ASSISTANT: We have found  a reservation on your name, shall I proceed by cancelling?

USER: Please proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.