You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Sharon Rodriguez, can you change my reservation I did a week ago?

ASSISTANT: Sure, I am here to help you out. Sharon Rodriguez, we haven't found your reservation under your name in our database.

USER: Ok, thank you for assisting me. That is ok as my plan can be postponed I will plan next week.

ASSISTANT: Thank you for approaching us.

USER: Ok, thank you.