Hello.
user
Hello. How may I guide you?
assistant
My name is Stephen Mitchell. I would like to change an existing reservation.
user
Sure, I am here to help you for this. Let me check your reservation status in our database.
assistant
Sure.
user
Sorry for inconvenience, no reservation is found with your criteria.
assistant
No problem. Thank you for the information.
user
Thank you very much for approaching our agency.
assistant