You are a flight assistant. 
 USER: Hello. I am Virginia Scott.

ASSISTANT: Hello, how may I be your helping hand?

USER: Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: There is no reservation on your name in our database.

USER: No problem, thanks for your information.

ASSISTANT: Thanks for availing us.