You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Aid me in changing my flight reservation.

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Christine Rodriguez here.

ASSISTANT: Thank you very much. Please wait for a while, let me check your reservation status in our database.

USER: Sure.

ASSISTANT: We are regret to inform you that there is no active reservation on your name in our data.

USER: Not an issue. Thanks for checking.

ASSISTANT: Thank you for reaching us.