Hello.
user
Hello. How can I assist 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, I want to do some changes in my existing reservation, can you please help me?
user
Ok. May I know your name?
assistant
My name is Emma Clark.
user
Sorry, there is no reservation found.
assistant
Ok, no problem. Thank you.
user
Thank you.
assistant