You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation which I have done last week because my trip got cancelled. Please help me out with that. Myself Jessica Campbell.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: We found a reservation with your given name and it has been cancelled successfully.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.