You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I need to cancel my recent reservation due to heavy rainfall in our city. Can you please help me in cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which name the ticket has been reserved?

USER: My name is Dennis Johnson.

ASSISTANT: Ok, please be on hold for some time.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a reservation on your name. Shall I proceed with cancellation?

USER: Yes, proceed.

ASSISTANT: Your ticket has been cancelled. And your amount will be credited to your bank account within four working days.

USER: Thank you for cancelling my ticket.

ASSISTANT: Thank you for reaching us.