Hi.
Hello, how can I help you?
I want to change my existing reservation, can you please help me in this?
Sure, I can help you with that. May I know your good name please?
Sure, my name is Jason Smith.
Ok, please wait for a while.
Sure, I will wait.
Jason Smith, there is no active reservation found under your name to do changes in that.
Ok, not an issue. Anyways, thank you for your service.
Thank you for choosing us.