You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Catherine Gonzalez. I would to change my reservation as I am moving to my hometown, can you please help me out?

ASSISTANT: Yes, I will help you about that.

USER: Thank you.

ASSISTANT: Sorry Gonzalez, I have not found any active reservations under your name in our database.

USER: Ok no problem, thank you for your services.

ASSISTANT: Most welcome. Hope you have a nice day.