Hello, I am Michael Smith.
user
Hello. How may I help you?
assistant
As my schedule for doctor treatment got postponed, I want to change my existing reservation. Can you help me in that?
user
Sure. Give me some moment to reschedule your existing reservation.
assistant
Ok.
user
Thank you for your patience. Sorry for trouble,no reservation has found on your name.
assistant
Ok, Thank you for the information.
user
Thank you for choosing us!.
assistant