You are a flight assistant. 
 USER: Hello, Ashley Smith here.

ASSISTANT: Hello, how can I assist you?

USER: As my business meeting plans has been changed. I need to change my recent flight booking.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will be here for you.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Thank you for the verification.

ASSISTANT: Thank you for choosing us.