Hello.
user
Hello.
assistant
I am Patrick Williams.
user
How can I assist you?
assistant
I would like to change my existing reservation, can you please help me?
user
Sure, I will help you out in changing your reservation.
assistant
Thank you.
user
Sorry, we couldn't found any reservation in our database by your name.
assistant
Ok, no issues. Thank you.
user
Thank you for choosing us.
assistant