You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to cancel my recent reservation.

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Ruth Collins.

ASSISTANT: Sorry, as per your concern I can not cancel your reservation, as your reservation is not found as per our records.

USER: Thank you for your information.

ASSISTANT: Welcome, thank you for reaching us.