Hi.
user
Hello.
assistant
I am Carolyn Martinez.
user
How may I assist you?
assistant
I want to alter my reservation, due to postponement of concert to be held at the place where I wanted to visit, can you please take your some time for helping me?
user
Sure, I will help you with that.
assistant
Ok.
user
Martinez, there is no reservation found for you to change.
assistant
No problem, thank you for checking.
user
You are welcome. Thank you for choosing us.
assistant