Hello.
user
Hello, how may I help you?
assistant
I want to change an existing reservation, can you please help me in that?
user
Sure, may I know your good name please?
assistant
My name is Catherine Perez.
user
Please wait for a while.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
Ok, that's not a problem. Thanks for your information.
user
Thank you for choosing us.
assistant