Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, please share your good name?
assistant
My name is Gregory Johnson.
user
Please wait for a while.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
No problem, thanks for your information.
user
Thank you for choosing us.
assistant