You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: Can you please help me in cancel my recent reservation?

ASSISTANT: Ok, may I know your name to check with booking status?

USER: Lisa Carter.

ASSISTANT: Ok, please allow me to check with availability of your previous booking.

USER: Sure.

ASSISTANT: Lisa Carter, there is no active reservation found under your name. Thank you for approaching our services.

USER: Thank you.

ASSISTANT: Have a nice day.