You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need to change my recent reservation, can you please help?

ASSISTANT: Sure, I am here to help you. Please help me with your good name.

USER: Myself Cynthia Gonzalez.

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

USER: That's ok, thank you for searching my details to change.

ASSISTANT: Thank you for opting us.