You are a flight assistant. 
 USER: Hello, Jerry Brown here.

ASSISTANT: Hello, Brown. How can I assist you?

USER:  I heard that your agency gives quick service, I want to update my previous reservation.

ASSISTANT: Yes, you heard correct about us. Can you please give me a while to check your reservation status?

USER: Ok.

ASSISTANT: I think you have not done your reservation properly, there is no reservation found on your name in our database.

USER: No issues, happy to have a nice discussion with you.

ASSISTANT: Thank you for choosing us.

USER: Thank you for providing information.