Hello.
user
Hello. How can I aid you today?
assistant
I want to change my existing reservation due to some issues, can you please help me with that?
user
Sure, I am here to help you. May I know on whose name the ticket has been reserved formerly?
assistant
Sure, I am Steven Miller.
user
Sorry Steven Miller, there are no flights reserved on your given name formerly.
assistant
Ok, not an issue. Thank you for your information.
user
Welcome, thank you for choosing us. Have a great day.
assistant