You are a flight assistant. 
 USER: Hello, I am Kathleen Parker.

ASSISTANT: Hello Kathleen Parker. How may I assist you now?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Sure.

ASSISTANT: We regret to inform you that there is no reservation found on your name in our records.

USER: Ok, thank you for sharing the information.

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