You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation due to heavy rainfall at my place, can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: My name is Jason Carter.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a reservation with your given name, shall I cancel it?

USER: Ok, please cancel it.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.