You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any assistance?

USER: Last week I have booked a ticket to travel to my head office for a meeting, but the meeting got cancelled, can you please cancel my ticket?

ASSISTANT: Please provide your name.

USER: Reservation was done by the name Cynthia Baker.

ASSISTANT: Your ticket by name Cynthia Baker is cancelled.

USER: Thank you for the help.

ASSISTANT: Thanks.