You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: I am Samantha Edwards. I want to change my recent reservation, due to heavy rainfall in New York.

ASSISTANT: Sure, I will help you about it.

USER: Thank you.

ASSISTANT: Sorry Edwards there is no reservation under your name in our database.

USER: That's fine, thank you for your information.

ASSISTANT: Most welcome. Hope you have a great day ahead.