Hi.
Hello, how may I help you today?
I want to change my existing reservation which is done recently due to some problems, can you please help me in this?
Sure, may I know your name?
Sure, my name is Paul Wilson.
Please wait a minute.
Sure, I will wait.
Sorry, there is no reservation found on your name to change.
Ok, no problem. Anyways, thank you for your service.
Thank you for reaching us.