You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, can I know your name please?

USER: Timothy Brown.

ASSISTANT: Just give me a moment.

USER: Ok, take your time.

ASSISTANT: We did not find any reservation on your given name.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you.