Hello.
user
Hello, what can I do for you today?
assistant
My name is Kathleen Davis.
user
OK.
assistant
I want to change my existing reservation due to postpone of my exam.
user
Ok, please wait. I will check your reservation.
assistant
Sure.
user
Sorry, we did not find your reservation.
assistant
No issue, thank you for your service.
user
Thanks for reaching us, have a nice day.
assistant