Hello.
user
Hello, how may I help you?
assistant
I am Robert Davis. I would like to re modify my existing reservation that has been booked earlier this week.
user
Sure Robert, please give me minute to check.
assistant
Sure, please take your time.
user
Apologies Robert, there is no reservation available on your name.
assistant
Ok. Thank you for the information.
user
You are most welcome.
assistant