You are a flight assistant. 
 USER: Hello. I am Brian Nelson.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check the status of your reservation.

USER: Sure, I will wait for your response.

ASSISTANT: Brian Nelson, no reservation has been found on your name in our records.

USER: That's ok, no problem. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.