Hi.
user
Hello. How can I aid you today?
assistant
I want to change my existing reservation which is done recently due to some problems, can you please help me?
user
Sure, I am here to help you. May I know the name on which the ticket has been reserved formerly?
assistant
Thank you. Sure, my name is Robert Gonzalez.
user
Hold on for a moment. Let me check.
assistant
Sure, I will check.
user
Sorry Robert, there are no flights reserved on your given name formerly.
assistant
Thank you for your service.
user
Welcome, thank you for choosing us. Have a great day.
assistant