Hi, I am Gregory Adams.
user
Hello. How may I help you today?
assistant
Owing an emergence, I want to change my existing reservation. Can you please help me with it?
user
Sure, please wait a moment I will check the reservation list.
assistant
Ok.
user
Thank you for waiting, I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
No problem, thanks for the information.
user
Thank you for reaching us.
assistant