You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: I am Anna Martin.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting. I found reservation with your name. Shall I cancel the reservation?

USER: Sure, proceed with the cancellation.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us.