Hello. My name is Eric Collins.
user
Hello, how can I assist you today?
assistant
My appointment with family my doctor got postponed. So, Can you help me to change my existing reservation?
user
Sure, please wait for moment.
assistant
OK.
user
Thanks for waiting. Sorry, no reservation found with your name.
assistant
OK.
user
Thank you for choosing us.
assistant
Thank you, For helping me.
user