You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to change my reservation?

ASSISTANT: May I know your name please?

USER: Sure, I am Carolyn Martin.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: No issues with that. Thank you for your information.

ASSISTANT: Thank you for opting us.