You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I'm Kenneth Martinez. I want to change my reservation due to heavy rainfall.

ASSISTANT: Sure, I can help you with you that.

USER: Ok.

ASSISTANT: Please allow me a moment to check the details for you. Kenneth, I see that there is no reservation found under your name.

USER: That's fine, thank you for the help.

ASSISTANT: You are welcome.