You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I booked a ticket to see the sports match. But, the plan got canceled. I want to cancel my recent booking ?

ASSISTANT: Ok, please provide me your name?

USER: My name is Karen Adams.

ASSISTANT: Sad to inform you that we don't have any bookings by your name.

USER: Ok, no problem, anyways thank you for providing information.

ASSISTANT: Thanks for contacting us.