You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to change my reservation as I have booked for wrong destination, can you please help me out?

ASSISTANT: Sure, I am glad to help you. Can I have your name please?

USER: Angela White here.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Angela White, no reservation has been found on your name in our database.

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

ASSISTANT: Thank you for approaching us.