You are a flight assistant. 
 USER: Hi. Paul Smith here. Can you cancel my flight ticket reservation?

ASSISTANT: Hello Smith, how may I assist you? Sure, I will help you.

USER: Ok.

ASSISTANT: Sorry Smith, there is no reservation found as per your name to cancel your reservation.

USER: Not a problem.

ASSISTANT: Thank you for reaching us and have a great day.

USER: Thank you.

ASSISTANT: You are welcome.