You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Ruth Gonzalez. Due to snowfall in our place I need to change my recent reservation, can you please help me?

ASSISTANT: Sure Ruth, I am here to help you. Sorry Ruth, there is no reservation found as per your name to change it.

USER: That's ok, thank you for searching the details.

ASSISTANT: You are welcome.