Hello.
user
Hello, how may I aid you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, we are here to help you. Can I have your name to proceed further?
assistant
I am Robert Perez.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant