You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I want to cancel my recent reservation due to heavy rain fall. Can you please help me with this?

ASSISTANT: Please mention your good name, so I can check with your previous booking.

USER: My name is Stephen Hall.

ASSISTANT: Sorry to say, there is no flight available by your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.