Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to wrong departure timings. Can you please help me in changing my reservation?
user
May I know your name please?
assistant
Ruth Edwards here.
user
Sorry to say, there is no reservation on your name in our database.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for opting us.
assistant