You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to change my reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you for considering my request.

ASSISTANT: May I know your name?

USER: My name is Frank Miller.

ASSISTANT: Please, wait a minute.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, I could not find any reservation on your name to change.

USER: Not an issue with this one, thank you for giving the information.

ASSISTANT: Thank you for approaching us.