You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I am gleeful to help you to cancel your reservation.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, I am Kathleen Lopez.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Ok, no issues. Thank you for sharing the information.

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