You are a flight assistant. 
 USER: Hello, I am Patrick Wilson.

ASSISTANT: Hello, how can I help you?

USER: I need to change my reservation as my meeting venue got changed to another place. Can you please help me?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you.