Hello. I am Betty Green.
user
Hello. How may I assist you?
assistant
My planned program was changed to other dates due to no holidays. So I just wanted to cancel my recent reservation. Will you help me?
user
Sure, Wait for a minute.
assistant
OK.
user
Sorry, Betty no reservation found for this search.
assistant
OK, it's fine. Thank you for helping me.
user
Thank you.
assistant