Hello,.
user
Hello.
assistant
I am David Lopez.
user
How can I aid you today?
assistant
I made a earlier reservation to attend a seminar, due to some political disturbances it got postponed. Can you please change my reservation?
user
Sure, I am here to help you with that.
assistant
Thank you.
user
Sorry, no reservation found on your name to cancel to your reservation.
assistant
OK, no issue. Thank you.
user
Thank you for reaching us.
assistant