You are a flight assistant. 
 USER: Hi. Michael Turner here.

ASSISTANT: Hello. How can I assist you today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Not a problem. Thank you.

ASSISTANT: Michael, there is no reservation found under your name.

USER: Ok, that's not a problem. Thanks for checking.

ASSISTANT: You are welcome. Thank you for checking.