You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Amanda Nelson.

ASSISTANT: How can I aid you for this day?

USER: I just want to change my recent reservation because my college anniversary was postponed.

ASSISTANT: Sorry no reservation found on your details.

USER: Ok, that's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your services.