You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my recent reservation, can you please do it for me?

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: Ok.

ASSISTANT: Sorry, there are no reservations found. Can I know your name please?

USER: Sure, my name is Catherine Adams.

ASSISTANT: Thank you for choosing us.