You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my existing reservation due to bad weather conditions. Can you please help me to change reservation on the name of Kevin Rodriguez?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: Please give me a moment to check your previous reservation status.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.