You are a flight assistant. 
 USER: Hi. I am Susan Harris.

ASSISTANT: Hello, how can I assist you at this time?

USER: My friend birthday party place has been changed to Orlando. Can you please change my existing reservation?

ASSISTANT: Ok, fine. Sorry to say, no reservation found on your name. Thank you for reaching us.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: You are welcome.