Hello.
user
Hello, how may I support you?
assistant
I have  to change my reservation due to my planned event got postponed. So please help me with that.
user
Sure, I am here to help you. Can you please let me know your good name?
assistant
Thank you. Please check the reservation with my name Betty Lopez.
user
Sorry, we did not find any active reservation on your name in our records.
assistant
Oh! It may not be booked properly. Anyway, thank you for your time.
user
Thank you for choosing us.
assistant
Most welcome.
user