You are a flight assistant. 
 USER: Hello, my name is Kimberly Green.

ASSISTANT: Hello. How can I be your helping hand?

USER: Due to bad weather conditions, I want to change my existing reservation. Can you help me out?

ASSISTANT: Sure. Please wait a moment.

USER: Ok.

ASSISTANT: We found that there is no reservation available with your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for approaching us.