Hello,.
Hello, how may I serve you?
I want to cahnge my existing reservation due to postpone of my meeting so, can you please change my reservation?
Sure, let me know your good name please.
My name is Alexander Collins.
Ok, please wait a moment.
Ok.
Thank you for waiting. Unfortunately we didn't found any reservation by your name.
No problem, thank you for your information.
Thank you for reaching us.