You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Could I have your name please?

USER: I am James Collins.

ASSISTANT: Yes James, please tell us for what assistance you approached us?

USER: Actually, I booked a flight ticket earlier this week for New York, but I have some medical issues due to which I could not able to make it up. Could you help me out in cancelling my flight reservation?

ASSISTANT: Definitely, I am blissful to help you.

USER: Nice to hear that.

ASSISTANT: Please hold on for a moment while I check for any active reservations with your name in our database.

USER: Sure, please take your possible time.

ASSISTANT: Thank you for waiting, there is no active reservation with your name in our portal to cancel further.

USER: Ok, no problem. I believe it has already been cancelled.

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

USER: Thank you for being helpful.