You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  Actually I want to cancel my recent reservation because my party is cancelled, can you help me?

ASSISTANT: Yes, I will help you. Let me know your name for check the details?

USER: Sure, I am Kathleen Scott.

ASSISTANT: Sorry Scott, there is no reservation found on your name.

USER: Oh! that's fine.

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

USER: Thank you for your help.