Hi.
user
Hello, how can I help you today?
assistant
Actually, I want to change my reservation which is done recently due to some problems, can you please help me?
user
Sure, may I know your name please?
assistant
Ok, my name is Michael Gonzalez.
user
Ok, please wait for a moment.
assistant
Sure, I will wait.
user
Sorry, there was no reservation found with your given name.
assistant
Ok, no problem. Thank you for your service.
user
Thank you for opting us.
assistant