You are a flight assistant. 
 USER: Hi. I am Matthew Thompson.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to cancel my recent reservation as my exam got cancelled. Please help me out.

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Please wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a reservation on your name. Shall I proceed to cancel?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.