Hi,.
user
hello, how can I assist you?
assistant
I need to change my existing reservation.
user
Sure, I will help you. May I know your name please?
assistant
My name is Debra Campbell.
user
Please wait for a while.
assistant
Sure.
user
Thanks for being with patience. There is no reservation done earlier with your name to change.
assistant
Thanks for the assistance.
user
Thanks for your approach.
assistant