You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My board meeting place has been changed, so I want to make a few changes in my existing reservation. Can you please help me with this?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Carol White.

ASSISTANT: Thanks for providing your name, please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation was found on your name in the database.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us.