Hello,.
user
Hello, how may I help you?
assistant
I am Mark Lewis, I want to change my existing reservation as my company meeting got postponed.
user
Sure Mark, please wait a moment I'll check the details of your reservation.
assistant
Sure.
user
Sorry for the inconvenience, there is no reservation found on your name.
assistant
Ok, no problem . Thank you for the information.
user
Thank you for approaching us. Have a nice day!.
assistant