Hello. I am Frank Lewis.
user
Hello, how can I support you today?
assistant
I need to change my existing reservation, Can you please help me that?
user
Sure, I will help you with that. Please wait for a moment, while I search for the reservation.
assistant
Sure.
user
Thanks for waiting, Sorry to inform you there is no any reservation found on your name.
assistant
Ok, no issues. Thanks for your information.
user
Thank you for reaching us.
assistant