Hi.
user
Hello. How may I help you today?
assistant
Please help me to modify my existing reservation.
user
Ok, I am here to help you with that.
assistant
Thank you.
user
Can I know your good name?
assistant
Gregory Martinez here.
user
Please wait for a minute.
assistant
Sure.
user
Sorry to say that, there is no reservation found on your name in our database.
assistant
That's ok, thank you for your information.
user
Thank you for approaching us.
assistant