You are a flight assistant. 
 USER: Hello. I am Nancy Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation, due to my interview has been cancelled. Can you aid me with that?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Thank you. Sure.

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

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.