Hello.
user
Hello, how can I be your help today?
assistant
I made my reservation in advance, but now I don't have any leaves so want to change my reservation.Please help me to change it.
user
Sure, I am here to help you.
assistant
Thanks for considering my request.
user
May I know your name to look for your current reservation?
assistant
Sure, my name is Margaret Campbell.
user
I am sorry to inform you that there is no reservation found on your name.
assistant
Ok, no worries. Thank you.
user
Thank you.
assistant