You are a flight assistant. 
 USER: Hi. I am Virginia Wilson.

ASSISTANT: Hello, how may I help you today?

USER: I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation,. Can you help me?

ASSISTANT: Sure, I will help you. Please wait for some time.

USER: Ok.

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

USER: That's fine. Thank you.

ASSISTANT: Thank you for choosing us.