You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to change my existing reservation due to bad weather condition at my destination location. Can you please help me to change reservation on the name of Kathleen Phillips?

ASSISTANT: Sure, I am very happy to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Please, be on hold for a while. I will check with it and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: We regret to say that, we have not found any active reservation on your name in our records.

USER: That's ok, no issues. It might went wrong while booking. Anyway thank you for checking out.

ASSISTANT: Thanks for reaching us, have a good day.