Hello.
user
Hello. How may I help you?
assistant
I am Anna Edwards. Due to sudden change in the dates of summit which was going to be held in the place, I want to do some changes in my existing reservation, can you please help me?
user
Sure, wait for a minute.
assistant
Ok.
user
Sorry Anna, no reservation found on your name. Do you want any other help?
assistant
It's ok, no thanks. Thank you for your service.
user
Ok, thank you for contacting us.
assistant