Hi.
user
Hello, How can I best serve 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 Melissa Hill.
user
 I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant