You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you today?

USER: I am not feeling well. So, can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Ok, thank you.

ASSISTANT: On whose name you have reserved the ticket formerly?

USER: I am Dennis Scott. I have reserved my flight ticket with that name.

ASSISTANT: Sorry Dennis. There are no flights reserved on your given name formerly.

USER: Ok, fine thank you for checking.

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