You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to modify my reservation due to bad weather. Can you help me with that?

ASSISTANT: Sure, I am here to help you to modify your reservation.

USER: Thank you for considering my request.

ASSISTANT: May I know your name?

USER: Sure, my name is Virginia Taylor.

ASSISTANT: Sorry, I didn't find any reservation on your name in our database to change your reservation.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.