Hi.
user
Hello.
assistant
I am Charles Miller.
user
How may I help you out?
assistant
I want to cancel my reservation, can you help in that?
user
Sure, I will help you in cancelling the reservation.
assistant
Sure.
user
Sorry, there are no reservations found in our database.
assistant
That's ok, thank you for your help.
user
Thank you for choosing us.
assistant