You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you need from my side?

USER: I would like to change my recent reservation, will you help me with that?

ASSISTANT: Sure, I am happy to help you and may I know your name please?

USER: Myself Brandon Allen.

ASSISTANT: Thank you for information, there is no reservation found for the user name in our back end to help you in changing process.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are most welcome and thank you for approaching us.