You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brian Allen here.

ASSISTANT: How may I assist you?

USER: I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, please wait a moment I will check the reservation list.

USER: Ok.

ASSISTANT: We found a reservation on your name, can I proceed to cancel your reservation?

USER: Please proceed.

ASSISTANT: Ok. As for your request I have cancelled your flight ticket.

USER: Thank you.

ASSISTANT: Thank you so much for choosing us.