You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: My football game was cancelled due to heavy rainfall, so I would like to cancel my ticket. Can you help me in cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: May I know your name?

USER: I am Stephen Gonzalez.

ASSISTANT: Please wait a moment. I will check the reservation list and revert you.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a reservation found on your name. Shall I proceed to cancel?

USER: Sure, please cancel my ticket immediately.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your kind service.

ASSISTANT: Thanks for choosing us.