Hi.
user
 Hello, how may I render you today?
assistant
I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?
user
 Let me know your name to check your reservation?
assistant
I am Mary Wright.
user
I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
No problem, thanks for the information.
user
Thank you for reaching us.
assistant