You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am an old person and my son had booked me a flight ticket in the past week and suddenly I met with an accident. So, I am unable to travel the trip and I don't know how to cancel the flight ticket, can you please help me in flight ticket cancellation?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you for considering my request.

ASSISTANT: Please allow me a moment.

USER: Sure, I will wait.

ASSISTANT: May I know your name to check your status in our database  to cancel it.

USER: Sure, I have booked the ticket on my name Kathleen Thomas.

ASSISTANT: Thank you.

USER: It's alright.

ASSISTANT: Sorry Thomas, there is no reservation found under your name in our records to cancel it.

USER: Ok, no issues with that one. Thank you for your help and providing the information.

ASSISTANT: Thank you for reaching us. Have a great day.

USER: Welcome.