You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Dorothy Edwards. I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Can you help me with that?

ASSISTANT: Sure, Please wait.

USER: Sure.

ASSISTANT: There is no reservation found with your name.

USER: Ok, no issue. Thanks for your help.

ASSISTANT: Have a nice day.