You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

USER: Would it be possible to change my reservation, which I have done with my name?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I know your good name?

USER: My name is Lisa Roberts.

ASSISTANT: Please wait for a moment, while I check for the reservation on your name.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for visiting us, we hope see you again.