Hello.
user
Hello, may I know your good name please?
assistant
My name is Anna Lewis.
user
What can I do for you today?
assistant
I want to change my existing reservation due to postpone of Christmas shopping.
user
Ok, please wait a minute. I will check your reservation.
assistant
Sure.
user
Sorry, no reservation has been registered with us.
assistant
No problem, thank you for your service.
user
Thanks for approaching us, have a nice day.
assistant