You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I amend you today?

USER: I want to cancel my recent reservation as my friend met with an accident, help me in cancelling my recent reservation.

ASSISTANT: Sure, we are here to aid you. Let me know your name for checking the reservation.

USER: I am Paul Smith.

ASSISTANT: Thanks for waiting. There is no reservation found on your name Paul Smith.

USER: No problem, I think it has been cancelled by my friend.

ASSISTANT: Thank you for availing us.

USER: Any way thank you for your effort.