Hello.
user
Hello. How may I aid you today?
assistant
I want to change my existing reservation. Can you please help me in that?
user
Sure, I will help you with that.
assistant
Thank you.
user
May I know your name please?
assistant
Myself Patrick Evans.
user
I am sorry to inform that there is no reservation found under your name.
assistant
Ok, no problem. Thank you for checking.
user
Thank you for contacting us, have a great day.
assistant