You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I be in your service?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Ok, please can I know your name to check for the reservation you have done recently?

USER: Sure, my name is Carolyn Wilson.

ASSISTANT: Sorry, there are no reservations been done on your name as per our records.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing our agency.