You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Lisa White, I need to cancel my reservation as my schedule got cancelled. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for your positive response.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Lisa, I did not find any reservation found by your name in our website.

USER: It's ok, anyway thank you for the information.

ASSISTANT: Thank you.