You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Actually, I want to cancel my reservation which is done recently due to heavy floods, can you please help me?

ASSISTANT: Ok, please wait for a moment. May I know your good name please?

USER: Sure, I will wait. Sure, my name is Jonathan Green.

ASSISTANT: Jonathan Green, there is no flight reservation found by your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing our services, have a nice day.

USER: Thank you for your service.