You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation which is with the name Nicole Brown. Please help me out.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Ok, sure.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's fine, thank you for the information.

ASSISTANT: Thanks for reaching us, have a good day.