You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Sure, may I know your name for the change process?

USER: My name is Anthony Phillips.

ASSISTANT:  Sorry, no activate reservation found on your name from our data base.

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

ASSISTANT: Welcome, thank you for reaching us.