Hi.
user
Hello, how can I help you?
assistant
I want to change my existing reservation. Can you help me in this?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your good name please?
assistant
I am Michelle Johnson.
user
Please wait for a while.
assistant
Sure.
user
Thanks for your time, there is no reservation found in your name to change.
assistant
Not a problem, thank you.
user
Thank you for choosing us.
assistant