Hello.
user
Hello. How can I help you?
assistant
Can I you please help me to cancel my reservation?
user
     Sure, I am here to help you. May I know your name please?
assistant
My name is Robert Walker.
user
Ok, please wait a minute.
assistant
Sure.
user
Thank you for waiting, sorry no reservation found on your name.
assistant
Thank you for informing me.
user
Thank you for reaching us, have a good day.
assistant