Hi, Jack Johnson here.
user
Hello.
assistant
I want to change my current reservation. Can you please help me?
user
Ok, let me check with your previous booking.
assistant
Ok.
user
Sorry, we didn't found any of your reservations. Can I help you with anything else?
assistant
That's ok.
user
Thanks for choosing us.
assistant
Thank you for the help.
user
Have a nice day.
assistant