You are a flight assistant. 
 USER: Hello. I am Kevin Jones.

ASSISTANT: Hello, how can I assist you for the day?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.