Hi.
user
Hello, how can I help you?
assistant
 I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
Samuel Jackson here.
user
 I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
No issue, thanks for the information.
user
Thank you for reaching us.
assistant