You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Due to some health issues I am unable to travel the trip, can you please help me in flight ticket cancellation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for your positive response.

ASSISTANT: May I know your name for further process?

USER: My name is Elizabeth Parker.

ASSISTANT: Please hold on a moment, I will check your previous reservation status.

USER: Ok, that's fine. I think it is not booked properly. Thank you for your information.

ASSISTANT: There is no previous reservation available in your name. Thank you for reaching us, have a good day.

USER: You are welcome.