Hi.
user
Hello. How may I aid you at this minute?
assistant
Could you please change my existing reservation due to postpone of my trip?
user
Sure, I am here to serve you.
assistant
Thank you.
user
May I know your name?
assistant
My name is Robert Miller.
user
Ok, wait for a minute.
assistant
Sure.
user
I regret to say that, there is no reservation found on your name in our database.
assistant
Not a problem, thanks for checking.
user
Thank you for consulting us.
assistant