You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to change my reservation as my meeting venue got postponed to another place, can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your name?

USER: I am Carolyn Miller.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to change.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.