Hi.
user
Hello, how may I aid you today?
assistant
I want to change my reservation, can you help me with that?
user
Sure, we are here to help you.
assistant
Thank you.
user
Can I have your name to proceed further?
assistant
Barbara Lopez here.
user
Ok, please wait for a while.
assistant
Sure.
user
Thank you for your valuable time, unfortunately no reservation found with provided name.
assistant
Ok, thanks for the information.
user
Thank you for reaching us.
assistant