You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Due to some urgent meeting, I am planning to cancel my recent reservation. Can you please help me for this?

ASSISTANT: Sure, I am here to help you. May I know on whose name the ticket has been reserved formerly?

USER: Myself Kathleen Collins.

ASSISTANT: Sorry Kathleen Collins, there are no flights reserved on your given name formerly.

USER: Not a big problem, anyhow thank you very much for your kind information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.