You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to change my destination place, can you please help me?

ASSISTANT: Sure, I'm glad to help you in that. May I know your good name please?

USER: My name is Katherine Jackson.

ASSISTANT: Ok, please let me check your reservation status first.

USER: Sure.

ASSISTANT: Katherine Jackson, there is no active reservation found under your name to do modifications in that.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us.