You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: Can you please aid me to change my reservation which was reserve to Boston?

ASSISTANT: Sure, please forward me your name first.

USER: Sure, my name is Paul Carter.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name in our list.

USER: Ok, not a problem. Thank you for informing me.

ASSISTANT: Thank you for opting us.