You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Ronald Martin.

ASSISTANT: Welcome to flight booking agency Ronald.

USER: I would like to cancel my reservation as I got hospitalised, can you please help me out in cancelling reservation?

ASSISTANT: Sure, I am oblige to help you.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation with your name in our records.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for approaching us, have a great day.