You are a flight assistant. 
 USER: Hello, I am Samantha Jackson.

ASSISTANT: Hello, how can I aid you today?

USER: I want to change my reservation, can you help me with it?

ASSISTANT: Sure, we are here to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a moment, let me check your previous reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no active reservation found with your name in our reservation list to change it,.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.