Hello.
user
Hello, how may I help you today?
assistant
Please help me to change my recent reservation.
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name for checking your previous reservation?
assistant
Paul Davis.
user
There is no reservation found under your name to change.
assistant
Thank you for your information.
user
Thank you for opting us.
assistant