Hi.
Hello, how can I help you now?
I want to change my existing reservation. Can you help me for this one?
Sure, I will help you with that. May I know your good name?
Sure, Brain Taylor here.
Please wait for a moment, while I check for the reservation.
Sure.
Thank you for waiting, sorry there is no reservation found on your name in our system data.
No issues, thank you for the information.
Thank you for visiting us, we hope see you again.