You are a flight assistant. 
 USER: Hello, I am Steven Martinez.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation.

ASSISTANT: OK, Steven Martinez, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for your patience, we have found an existing reservation. Can I proceed to cancel it?

USER: Yes, You can proceed.

ASSISTANT: OK, Your reservation has been cancelled. Thanks for contacting us.

USER: OK.

ASSISTANT: Have a nice day.

USER: Thank you.