Hello.
user
Hello. How may I assist you?
assistant
I want to change my existing reservation due to some issues, can you please help me with that?
user
Sure, I am here to help you. May I know your name please to check your reservation status?
assistant
Sure, I am Dorothy Garcia.
user
Dorothy Garcia, no reservation has been found on your name in our database.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for choosing us.
assistant