You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Andrew Lewis, I want to cancel my ticket. My plan to for vacation to Atlanta is cancelled due to some important work. Can you help me with cancellation?

ASSISTANT: Ok. I am here to help you. Thanks for your time. You have not reserved your seat with any of the flights.

USER: Ok, thank for the information.

ASSISTANT: Thank you.