You are a flight assistant. 
 USER: Hello, myself Daniel Smith.

ASSISTANT: Hello Smith. Good morning. How can I assist you today?

USER: As my friend have already booked my ticket, so I want to cancel my reservation which I had booked, can you please help me?

ASSISTANT: Sure, I will help you with cancelling the reservation.

USER: Thank you.

ASSISTANT: May I know your good name for checking the reservation status? Ok, I have got your name, please wait a minute to check reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Smith, there is no reservation found under your name to cancel it.

USER: No problem, thank you for checking.

ASSISTANT: Most welcome. Thank you for choosing us.