Hi.
user
Hello, how can I help you?
assistant
Due to sudden change in the dates of summit which was going to be held in the place where I suppose to visit. Please help me with doing some changes in my existing reservation.
user
Sure, may I know your good name please?
assistant
Sure, reservation was done by the name Timothy Martinez.
user
Ok, please wait for a moment, I will check and get back to you.
assistant
Sure.
user
Sorry to say that, there was no reservation found with your name.
assistant
It's Ok, thanks for the information.
user
Ok, thank you for choosing us.
assistant