Hello.
user
Hello. How can I help you today?
assistant
I am Timothy Hernandez. I want to do some changes in the existing reservation because my friends are not able to come on the those dates, can you please help me with that?
user
Sure, I will help you.
assistant
Thank you.
user
Sorry, I didn't find any reservation on your name in our database.
assistant
Ok, I think my previous reservation has not been booked properly at that time. Thank you for your information.
user
Welcome, have a nice day.
assistant