You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please can I have your name please?

USER: Sure, I am Shirley Harris.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for reaching us.