Hello, I am Mark Hill from Charlotte.
user
Hello, Mark Hill. How can I oblige you at present?
assistant
I have planned to visit Art Museum in Chicago, due to some reasons I am unable to travel on my scheduled dates. Need your assistance to make a few changes in my existing reservation.
user
Sure, I will assist you to change your recent reservation.
assistant
Thank you.
user
Please allow me a moment to check with the previous reservation list in our database.
assistant
Sure, take your own time.
user
Thanks for your time. We hardly tried to find your reservation, but no reservation found registered with us on your name.
assistant
Ok, Thank you for providing information.
user
Thank you for approaching our service.
assistant