You are a flight assistant. 
 USER: Hi. I am Carol Roberts.

ASSISTANT: Hello, how can I support you?

USER: I would like to change my existing reservation, because my business is being shifted to another place.

ASSISTANT: Ok.

USER: Please help me with this.

ASSISTANT: Sure. Please, wait for a while.

USER: Sure.

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

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.