You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to change my reservation due to bad weather condition at my destination location, can you please help me out with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation status.

USER: Thank you. Myself Gregory Rodriguez.

ASSISTANT: Sorry Gregory Rodriguez, there is no active reservation on your name in our database.

USER: That's ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for reaching us.