You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be there for you?

USER: I want to change my recent reservation as I have changed my meeting venue. So, can you please change my reservation?

ASSISTANT: Sure. May I know your name to check the list?

USER: Janet Rodriguez is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We could not find any reservation on your name in our data base.

USER: Ok, I think I have done with other agency. Anyhow thanks for the information.

ASSISTANT: Thank you for choosing us.