You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to change my reservation due to heavy snowfall at my destination point. Can you help me with that?

ASSISTANT: Sure, I am here to help you. May I know your name to check with the reservation status?

USER: My name is Barbara Wright.

ASSISTANT: Barbara Wright, regret to inform that there is no active reservation found under your name to amend.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for connecting with our agency.