You are a flight assistant. 
 USER: Hello, I am Barbara Lewis.

ASSISTANT: Hello, How can I help you today?

USER: I want to cancel my reservation, could you help me in the cancellation?

ASSISTANT: Sure, we are perky to help you. Please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find any reservation on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.