You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

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

ASSISTANT: Sure, we are here to help you to change your reservation. May I know your name?

USER: Sure, I am Brian Adams.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: Ok. Thank you for providing information.

ASSISTANT: Thank you for availing us.