You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Scott Jackson.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

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

ASSISTANT: Thank you for reaching us.