You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Jacob Hernandez. I would like to change my reservation as I am moving for business meet, can you please help me out?

ASSISTANT: Sure, I will help you with changing your reservation.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry Jacob Hernandez, no reservation has found under your name to change.

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

ASSISTANT: Thank you for choosing us, have a good day.