You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Laura Lee.

ASSISTANT: How can I assist you at this moment?

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

ASSISTANT: Sure, I am happy to help you with that. Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Laura Lee, no reservation has found under your name for cancelling your reservation.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us, have a great day.