Hi.
user
Hello, how may I help you?
assistant
Can you please change my existing reservation?
user
Sure, may I know your name please?
assistant
I am Paul Martinez.
user
Wait a moment.
assistant
Ok.
user
Thank you for waiting, there is no reservation found for the user name in our data base to change your previous booking.
assistant
It's ok, thank you.
user
Thank you for reaching us.
assistant