You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony King.

ASSISTANT: How can I aid you?

USER: I would like to change my reservation as I am leaving for my hometown, can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

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

ASSISTANT: Thank you.