You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to change my reservation as my meeting venue got changed to another place, can you please help me out?

ASSISTANT: May I know your name please?

USER: I am Jacob Baker.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for oping us.