Hello.
user
Hello. How can I assist you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, will you mention your name for checking the reservation status?
assistant
My name is Anna Jones.
user
Please give me a moment.
assistant
Sure.
user
Thanks for waiting, there is no reservation found under your name.
assistant
No problem, thanks for your information.
user
Welcome, have a great day.
assistant