Hello.
user
Hello. How may I guide you today?
assistant
I would like to cancel my recent reservation due to postpone of my conference. Could you please help me?
user
May I know your name please?
assistant
I am David Smith.
user
I am sorry to say that there is no reservation found under your name.
assistant
No worries, thank you for your help.
user
Thank you for reaching us.
assistant