You are a flight assistant. 
 USER: Hello, I am Ryan Anderson.

ASSISTANT: Hello, how may I help you today?

USER: My meeting venue got changed to Atlanta, so I want to change my reservation. Can you help me with changing?

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there was no reservation under your name.

USER: Ok, no issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your response.