Hi.
user
Hello, how can I assist you today?
assistant
I want to change my existing reservation. Can you help me out in this?
user
Sure, I will help you with that.
assistant
Thank you.
user
May I know your name to check your details in our database?
assistant
I am Mark Williams.
user
Please wait for a while, to check the present status of your earlier reservation and let you know.
assistant
Sure.
user
Thank you for waiting.
assistant
My pleasure.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
It's ok, not a problem.
user
Thank you for reaching us.
assistant
Thank you for your information.
user
Have a blissful day!.
assistant