Hi,.
user
Hello, how can I help you today?
assistant
I am Pamela Anderson. Please, change my existing reservation as my planned trip has been postponed to some other dates.
user
Sure.
assistant
Thank you.
user
Please wait for a while, I will check your reservation.
assistant
Sure.
user
Thank you for your time, there is no reservation found on your name.
assistant
Fine, thank you for help.
user
Thank you for reaching us.
assistant