You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I want to cancel my recent reservation, can you please help me in that?

ASSISTANT: Ok, may I know your name to check with your previous booking?

USER: My name is Kathleen Lopez.

ASSISTANT: Give me a moment to check please.

USER: Sure.

ASSISTANT: Kathleen Lopez, there is no reservation by your name.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Most welcome.