Hello.
user
hello, do you need any help from us?
assistant
I want to change my existing reservation, which is done recently. Can you please help me out?
user
Sure, may I know your name please? Ok, please wait for a while.
assistant
Sure, my name is Emma Clark.
user
Sorry, there is no reservation with your name to make changes.
assistant
Ok, no problem. Anyway thank you for the information.
user
You are welcome.
assistant
Thank you for your service.
user