Hello,.
Hello, how may I provide service to you?
I am Dennis Lewis. Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you help me with that?
Sure, we are here to help you.
Thank you.
Please wait for a while.
Sure.
Thank you for waiting. we are sorry to inform you that, there is no reservation found with your name.
Ok, no issues. Thanks for the information.
Thank you for approaching us.