Hi.
user
Hello, how can I help you now?
assistant
I am Dennis and I just want to change an existing reservation due to my plan to meet my girlfriend got post pone. Can you help me in change an existing reservation?
user
Sure, I am here to help you. May I now your full name to check reservation?
assistant
I am Dennis Williams.
user
Thanks for providing your name, please wait a moment.
assistant
Ok.
user
Sorry there is no reservation found don your name.
assistant
Ok, no problem.
user
Thanks for contacting us.
assistant
Thank you.
user
Have a nice day.
assistant