Hello.
user
Hello, How exactly I can serve you the best today?
assistant
My board meeting has been postponed, I want to change my existing reservation. Can you please change my reservation?
user
Sure, I will help you with that. Let me know your name to check your reservation?
assistant
Sure, I am Susan Campbell.
user
Please wait a moment.
assistant
Ok.
user
 I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, Thank you for your service.
user
Thank you for choosing us.
assistant