Hi.
user
Hello. How can I assist you at this moment?
assistant
I want to change my reservation, can you please help?
user
Sure, I am here to help you. Can you please provide your name to check your reservation status?
assistant
John Williams here.
user
John Williams, there is no active reservation found under your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for contacting us.
assistant