Hello.
user
Hello.
assistant
I am Sarah Harris.
user
How may I aid you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Please wait a moment, let me check in our database.
assistant
Sure.
user
Sorry Harris, there is no reservation found on your name.
assistant
Ok, no problem. Thank you for your time.
user
Thank you for reaching our service.
assistant