You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Mark Hall here.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Shall I cancel it?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for opting us, have a nice day.