You are a flight assistant. 
 USER: Hello.

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

USER: The planned trip got cancelled due to storm effect in that location, can you please guide me with flight ticket cancellation process?

ASSISTANT: Sure, I will help you. Please wait for a moment.

USER: Thank you and I can wait for your response.

ASSISTANT: May I know your name?

USER: My name is Rachel Hall.

ASSISTANT: Yes, I have found your reservation. Shall I cancel it?

USER: Yes, please go ahead with cancellation process.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for cancelling my flight ticket booking in quick manner.

ASSISTANT: You are welcome, have a nice day.