Hello.
Hello. How may I serve you now?
I want to change my existing reservation due to sudden change in my family trip dates. Can you help me with that?
Sure, I will help you.
Thank you.
Please, provide your name. So that I can search an existing reservation with your name.
Sure, Jerry Nelson here.
Wait a minute, please.
Sure, I will wait.
Thanks for your time, there is  no reservation found on your name.
Ok, no problem.
Thank you for availing us.