Hello, I am Barbara Brown.
user
Hello, how may I be helpful to you?
assistant
Due to technical issues, I want to change my reservation. Can you help me with it.
user
Sure, please wait I will check the existing reservation on your name.
assistant
OK.
user
Sorry, there is no reservation found on your name.
assistant
No problem. Thank you, for the information.
user
Thank you for reaching us, have a nice day.
assistant