You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How shall I help you?

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

ASSISTANT: Sure, I am happy to help you. Please give me a moment.

USER: Thank you.

ASSISTANT: I am unable to find your reservation when I have checked in our previous booking.

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

ASSISTANT: You are most welcome.