You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have some personal matters that need fixing so I need to change an existing reservation. Can you please help me in that?

ASSISTANT: Sure, may I know your name?

USER: My name is Scott Hernandez.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you so much.