Hello.
Hello. How can I help you today?
Help me in cancel my reservation, due to sudden change in  my trip ?
Sure, may I know your name please?
I am Laura Jackson.
Laura, please give me a moment.
Sure.
Laura, I have found a reservation under your name. Can I cancel your ticket?
That's good. proceed for canceling.
If you cancel it then you may got some penalty, can I proceed?
Even-though proceed for canceling.
Laura, your reservation has successfully canceled. Thank you for reaching us.