Hello.
user
Hello. How can I aid you today?
assistant
I want to change my existing reservation, as my cousin's marriage got postponed. Can you please help me with this?
user
Ok, please share your good name to proceed further.
assistant
I am Paul Smith.
user
Sorry Paul, no reservation found under your name in our database.
assistant
Ok, no problem. Thank you for your information.
user
Welcome, have a great day.
assistant