You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best support you now?

USER: I need you to make few changes in my recent reservation. Please help me.

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: May I know your good name please to track the details?

USER: My name is Ryan Young.

ASSISTANT: Ok, Please allow me a moment to check for the previous reservation in our database.

USER: Sure, take your time.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: That's ok. Thank you.

ASSISTANT: Thanks for consulting with us, wish you a great day.