You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Jerry Nelson here, I want to alter my reservation. Can you please help me with it?

ASSISTANT: Sure, Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: Not an issue, thank you for your information.

ASSISTANT: Have a nice day.