You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can  aid you right now?

USER: I want to change my reservation due to Syria attacks, can you help me?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Could I have your name please?

USER: My name is Brian Phillips.

ASSISTANT: Phillips, in our reservation portal there is no name with Brian Phillips to change.

USER: Oh! That's sad to know, thank you for checking anyways.

ASSISTANT: My pleasure.

USER: Most welcome.