You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I guide you for today?

USER: I have to cancel my flight ticket reservation done on past week that I am suffering with fever and I am unable to travel the trip, can you cancel the ticket?

ASSISTANT: Sure, I am here to help you about that. Can you please help me with your name to check the reservation status?

USER: Thank you and my name is Kevin Thomas.

ASSISTANT: Sorry Kevin, I have not found any reservation which is active under your name.

USER: Ok, no problem, thank you for your help.

ASSISTANT: My pleasure, thank you for reaching out here.

USER: Welcome.