You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with cancelling my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: My name is Catherine Mitchell.

ASSISTANT: Give me a minute for checking.

USER: Ok.

ASSISTANT: On your request, I have successfully cancelled your reservation.

USER: Thank you.

ASSISTANT: Thank you for choosing us.