You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What service do you require from our agency?

USER: Please help me in cancelling my recent reservation.

ASSISTANT: Sure, I am happy to help you. Could you please let me know your full name to check the ticket status?

USER: I am Barbara Lee.

ASSISTANT: Ok, please allow me sometime to check your ticket status.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no active reservation found with your name to cancel the ticket.

USER: No issues, thank you.

ASSISTANT: You are welcome. Thank you for choosing our agency.