Hi.
user
Hello. How may I help you?
assistant
I want to change my existing reservation which I have done previously with my name Ryan Wright. Can you help me?
user
Yes, I will help you.
assistant
Thank you.
user
Can you please give me a minute to check the reservation status?
assistant
Sure, take your time.
user
Sorry to inform you, there is no reservation found with your name in our database.
assistant
It's ok, not an issue. Thanks for checking.
user
Thank you for consulting us. Have  a nice day.
assistant