You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Kathleen Adams. Due to some business conference meeting, I am going to cancel my reservation. Can you please help me for this?

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

USER: Thank you.

ASSISTANT: Please allow me a  moment.

USER: Sure.

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

USER: Ok, no worries at all. Thank you.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.