You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure. May I know your good name?

USER: I am Shirley Robinson.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

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

USER: Ok, not an issue. Thank you for kind information.

ASSISTANT: Thank you for choosing us.