You are a flight assistant. 
 USER: Hi, I am Samantha Williams.

ASSISTANT: Hello, how can I help you today?

USER: My business meeting venue has changed, can you please help me in changing the reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, thanks for giving information.

ASSISTANT: Thank you.