Hello.
user
Hello, how may I assist you today?
assistant
I am Lisa Parker. I want to cancel my flight ticket, due to some problems I am unable to travel those dates so can you please help me with that?
user
Sure, I will help you with this.
assistant
Thank you.
user
Sorry Lisa, there is no reservation found as per your name to cancel your reservation.
assistant
Oh! It's ok no problem. Thank you for your service.
user
You are welcome always.
assistant